PNG  IHDRn3sBIT|d pHYs  ~8tEXtSoftwarematplotlib version3.1.1, http://matplotlib.org/f IDATxw|TUϹSHB f!(*wQAY 6++]]\T,kcQEPlpE `E~*pi}&S1I2w2L4#;F)E^oLII459핝ւ3~m!!نhzоrR!hB K!B!D $,BHX !-B!Z a)2}Ip9:vB!Z a)B@R!hB K!B!"*O:};B!Z׳B:d}g)r~hVR!D̉pðB!"jÖSɞB6k`[caSR!DTc`JX !Pv~)Q K}ǀرcGYfiƔ)S`}|W,Y!nɓ'3x/^̚5kXhN)S0gnf*++8q"&MfB!ڨ~Hkie[Euꫯk,77n ਣ⧟~h(^=!Clu$??> -[ƫ嬳bҤI(VBs13odٲey晌=aÆp83f L0wSJ+;983~m!!݆&i7x\Sl0 |gԩ̜9 &ޣG.VXGXjZPzze'G|CoC ^?64WcS۰j g#n60;|G}ď??`Æ Wk3.\v-{/>+V0`yy7oA !Dݴ"Ǝ[ql,XBF@NNwu3f`ڴiYgȑ#U"vfgU)S233&o>}zO?meYB"9DSN=:S([TڕB!b=z_1Wv?PҾBi˞hxt g<,HWB T:tt9|e ?NB#&ԬMP#a)* Ȩη#L [Ji72 |hP_x;. K!#FSalE k R 085?E֐BY{ j n7}I=s+%腃Fw+7WбG%$,q0L$wZN{Z{Nh~%I*T71t K!eK^5>(ɏm _T°[98F !' K!"J[{jYWR?$cpJP@..J;0ì#蒰BDT_%.Wb\ldܙ ^{d0m4ERe|9VjM-]FH@qJ 'kkCUC_Iy @ $ZzIX !,#صφ-NfkAUe`3,bk8OjU@?! 6LZJS"k^SBс™=- K:T0ZU]M:6.528XYpt{Irx?3m@RjMK+{UL/?$~`' אhΩj߀`\&O,lIdt'/3+ocqC)#R|kx,/FRT l RaT+0L֘>m.cĞDܔwSM̆*(Ut{I Tj))6'a)ha1w"+Գ (V =B?}8S)2ءlf!Sm:/fաP񋁭\vծ~[3KXׯSxl}e~2?"쒌 ple'ɯ;1:|T7jۃI 6Aё; Ry,a-58tiR.Y ' x_jpiýƎ le ;OZ<' ~, K!DDܚW4 v`J4{7s8x';L1/9]2š,|oRH!i9a(CPj{ڮ 7(&lL=GM8yߡ2f?OId́\%p,d%_5vcT*\p~kklZ&slKkFhB-AКf!?# ;SΜl04LM0KG9au59[R:w8[~˙o +LbR>5}dֲ] F8濳zӓ9_I*;I:Q;?ޡPH5 fa% K!D8Ӛ03i]̷L1;d9\_q^g|Y!=|AO3t;\Ntda%IطJVjAyC* b-k$w~6լ景%ףM>Е,7np2 <|T^B n&d|ҝl.HRu2>ոP\gdӣޭVc'\8HIăc3Ec+s P/$q4[nۊco6{Pڮ|+YZ_ǟT~~*6Xv]Og"a)hrѪsK ؀Fi/ NǾOp6߫w.??܎}QX P]kR=@fo6K]iN4[ºo6shC#]~PWZW]s3T:sco<BD*Wt('vO#WP%kR'/U{,#? ns{lbSk^%ҡUn{ +oIi/% T*U }M+PWB:V&guhBFRDd&$x`%'w`kTC;/a(8tt+t%'PdboWo E:ؠl@vF4*%a)TPk8_s͒ R:I{…sC6MT^4D*8]S;x,c+~^e莍88٘>^5K郓FwC6db"WT,;QT, K!e~ֵ,0Kؼ\ڹ*, 9Y"СVOl=*4BD5/+JK-%)!H+P!CT8GI;j.#ָ1AweNrpʞdD5,~?=gʕ0k,y 4;nݺ>}:96 /Gd!DZTW.$tɱFw;2E")8ˤF3`A냲-R &Lن2LwFB>?k+<|C׊AO1$zˆޣlZTr <ŋf-Zdʔ)̙3ogyr,YByy9{.CCfBt*A$(+uyfQ5'OR)^m"mn/0jB)q(Y:]͖]1Rz&mȉjX^} 2ٳg-;nwr0GuW ??)S`呟/a)Du@kt3,IL428 {{m3iO d~*/Q}C2)iʚCᒽ֋jX2dewee%}O۷}rJ Bwf55FVDgq~g55uVQ:!!Loe˖qg2zh^/.ׯn7g*蕝zv[M^?6B 8Z5U[&VFu18֕iq9ڝLg:RPB7jE󻒭y ڲ5<^u5mg% |Z~N̙3IHH>=hzj> ߆X:ڳlmlPHYTjU/P:&6J*Zi'RrP:Zvn{!#+ڊޘn60;<,?#233߿?.?K.8M6~arss;Z!nk/x샃ˌ uiOHyىQ7.70򗂒w">@gڵ{|qX+V`~A Xt)gqFG+DSs{~bVIFNҶMu}"}G VQ}_ެߖ, hذTڞeQQcǎ}ܸql6,X@aa!F '' dzi&l\s5 : X9]c6y#:t~*]qD( MSyҫD? Ùo3@o^233&o>}z3f̰,!bZn}^ނ vhH#]5ٷ*z\_{%_EJ`sBg例 '$VKvejҽNUJ }̬{Tl 枼mBĹX=_ּxwܦޣԐ:EnTPQ3Gk"rsvfBā. Y7xUÍS5us")oXzv_.+$DcB=hYW1IF&qf+p}kLhKBiDsE( pJdJoוAsl2p`ý֎64%z)╩LDvo˗3a>䓺e~!]v˗/8!:A4 nnS]fxĝFO4"R^p;/cd+U$A #:G%''?nu]G޽y,)N _L3$F/.52=y}F"$Q/6eiޣM61n8?eG}4_|16m8!:Tk"'uU FO.2.FWsJ I9v|&f6#D\ ;,XjnYee%>w\H3f.e..Qݹ&3!iT@_g|2B1~yB.%D=a.BfΜ1CϞ=1Mm۶4i5 x3u vJ#Ubdѐhd+ket! ;,J*++y駟B۹ӟdYBt5;BDžb*!m7d5[o )aaL:뮻`0H>}d;!aK)ZPժaYMv&`|6EL7WL5)}8)uHW[agg}~mݿC #8L@ح75j^֥`FfO& PPK^;M5=\bWSkMyN IDATmgF Ez%-qD(K ވ_""C^!:D8^dkif%m/!:Rk|==#Oװ,дqݱRJa'Y ,^mvXfddψ#8IHRGyĒuͅhYd/R#vQuq_Ye!r…u.,,lpixïuUgn nUS)جh~n5m ńw}wCC1|V\INN=/4M ĝwIJJ gfC=]uZ`QI8Wt)dݒHN]Sp UenW!"%Oȑ# $&}~ɓ'3xW^!11oz믿J&N(sϊw hu5 RR1,mY/mk [߬-ٳYd `0㏹馛ؐ!CXֿ{Ve˖q9pg0gZ_eTǺd ;=$c/2_W( aþ[va<$%%{7ү_S\\̸q6l1cP\\̄ a Wvd"hm۰{S'4ߘ5V8ȑȟ{esX`@M'8#Qx{ -ò+Tƍdz>KAAADd̛7 nѣ\p+V#,֭CKrňXCqǞpF dG"|-:hN(?jo]Pqv$cR`P;8îBt-#D3t9fAJq~ϯFG~T$,ELjtŷy+=[*$,;݁s}һ\Z.-]hd>M* R|32FR.F²[ˊAE|^uҵFM87JSv^ta !␄e'aK)ZPѥŊ,7wPDd 429H|%ep:υ _njds!8 .jGN&YtW-ɞgڦ))^; E !bTLk ~z`z#:*ȸ;Bs R@ ޤ"DRt'E\FP&.y["ڮ)KյRB a):t9d#jض+2'v(k P`B4IRt ubˉ .p*)KiB|=taOPk^ե+2Iݟȼ=ס}i>{QW$,ETE2t'"Ë Dux#ygqwB\=M@kBt \KԿ-{ioYH!R0F^RE?]>B[SZE'z!DW"a)֚Ou bjFQjHyA T_KT/}䐫$,E\hz<,g3>VWjl 9O4/2fRv]P8fcA/aRChXG*6RPɨ!u1<`IΕIυ'aEZW6Z{("@ h4D&UlP)V%㬷7F_ΕB\YrUQ KC=Yr%999Of /d,YD3;^pnOqol@8T%1ɀm"R^r ΐ^BȋjXN<7XO~~> xc SL0 #??_²~ν`Y3?MIܿo z<N{egdFyeo {][}{+ !հ2dUVqGO?ѷ_}eʕ)|@2O_m :E$ߗ@E%}u' Te#;bdn_UA?ݤu@;=TI!b?Nqq1ƍrnwx<{SJ+;ߜv[I ږw?55:OZx+8wpYw$e⥘Ȳ9>6+îi+=<.UJlnEWAb=x߆xd0;fd̛7ܞ xnOkւ+;9kmMn.kaڎcݽ{R>h >zm^=Ͽp'k48 Ǧevh~bXlCn60c",y }ٺsp6mb`Æ vP W }0Qqm H }6th(]5X{ϵFƌBҷ[rUa:<,-ZĢE%駟΋/ '@qq1K.婧J;NiDU:[urN &;F@flE̿zI)C%>)rQ ˢ"Ǝ[qlqTVVr֫W/͛ٴiyyyl6;'"Jwf) `GI}EЄW֒7;^_G% Ljr`ƌV%Zu] F}sFqkU1`wM>h%yI!Datf1_E|UZ!zi|oZ!t-BJD#!j-ٽgk !DHXZ"[W ̝Ia-m_,B섖VV**Շ]%!( $,;w ^e(|)*k> !h/ЅIhUf%ҡ=)=9fYPnRb!,$,# ҡזV .V霚ؾzڻMBDÆ)~7l0=aB 6lpZ=&qۆRU)]mQ!DlB!Z aÚq*"ze+Iц:6 !DcM/eVB_IX \ _!D< H !ĞB 0IT!0l35&YB#ai1 A!rV!hY6A|BQEBt$!(]B!Z a)B@R!he6l)S2B K!6BtNg)B@R!hmVBg)B(a0`;v[^\\e])g裏&//端fB!DtN<7XVVV%\ '/J&NȤIYB@T,j˔R̞=O=CoC ^?6DKMMu[wqpI'qK^^^} cҤI<x^ˣG,X3f0m4^u ଳbȑMZ8Z*^f{CoC Bi ~l6.RV\2d7p>5/nw[iiifݷ?G_1{CoC 2}1 EYYY[gyg3sLp3k,Ǝ[woъB$,'M櫯sa}eܹN;4&NhEB!DYJ).ˎ999TUv7b!GWwt Y:w܀?>~kW_SO1p@+B!"ҰӟĕW^C=Pw-ԩSlZ!Kc^c…r[ٴB1_£L6~zQFYݼBnlʒ%K;i!,ٳܹsg˄B!%ay '.A|&Mߧw^R!h%aiٰ5y{UU555au}B!, K/^z_c~a|ɰ#pYgpH)BŒ>^{-u]MޚC?k֬*&B!DXgr;w.6lp8~)ЫWףoO)Ev]n:)߆x"]G<@|la4g8}ݗ}ݷ>`>/Gl-\#h!!߆HE`qzy>|8Çgwy|]B.|cܹ ~?ygeB=K!"X7nm|A׷|r٫Bu9 ,[o媫i!"b, ˤ$^.RoΚ5k5jo i!]%`iK+pgzIJJncرV6-BD{)))\wu 2^r%-B,MW^yO?uqg2h {9FneB!DXzoݻwg֬Yr)Aq̙ol^!K,O:$/^).u5ꫯrZٴB1Y>cM.8p M !aliO!#]RBHX !|8cƌa|7{ZٴB1w͛oСC{^+B!"Ұ|wy衇6/?ʦ;"v Ka"%%M !c`3w\v ˒%Kx79裭lZ!K,Na @hb^{Dn6+Bt-ڐS",ݳ8p -.ߟ<222lZ!,sңy]"/!2ƍ{X~=UUU{ܾ~z+u)]ayM7wYلhz$hH>1K;O1e˖_74]t8q^ZEX'|2/{p`O碋.%ǍXRiXQħx5?߱[zogܸq3~5R;ܹ?,\\^xMK/dejX8+bѵgP7Kn૯jp[8aiyBS=@^=#,X M)EvQnkvok>8mi/HR{?emU8mĺX?_jh3ufKuk`U;mCkbY~#++48g ^mɲe˸;3gNZ`q+;:}[S6u[k7WGeLsZE^XNm 3-chp^| jm{!MS7_ _~mJ)ױff̘ׯ_kVb9qږȑ#:\$s":#Z/H| ɄO>mg9)HKKCcഥk\C,˵ t6zb, UVrʺ5kְ|rĉl:KD<<,ciX6e}aԨQn:`$0ڦIiV]u4,?k׮f޼yZtTu7XKr… ~ΝɓILLi .V!^?PLnݞU GhϞW}[{.s/'XzDԩSþnQ"|L?Hl(aܬ=B.Zk 4… yWw}l^!K̜95&MGG+2c +"lN,ݳ\~='Ndʔ)uN9,\ʦEV: !d鞥ño*6YUPpCݲ2,^+5,sA3M3s# T\2WS\@AT\pP}~}A[}ӹY{Ͻ9ys9ZY^ڀLmc?y+-Zfhٲ% pYV^M͟ 0`g2e eeeo0dkʘ4iҳU9Q0`,6mΝ; !%%&M,/m m<cM׮]166q̛7Y\ƀ x.<ccccC~xy1` dۛ\6mĐ!Cݻ7˗/Ν;r 0`3Hbbb2e m۶Ν;|2l0lBAA 0#tu!>$::Cq JJJP*={m###Z-(,`i@(,נVW/{jo=}}_ʿW@ʺCφ7oX*/x&r]#˩ϟ(++#66(vލFҥKT*˱4`D P*H~~>111DEEKii) ТE  \3`.ܼy3QQQSYY ԫW2h ܞe 0`g3 6ixTW^Ktフ 0\x&+Ν;K/ѫW/LMM% Ado#,<5 pppj=}t3fEػw/}qߢ&?:ZA022ҷ(ܾ}JEzi?UVѽ{w7noQkfΜIjj*Ƹ2u7M68z ԼZ׌o߾fTTT*CMcܹh4FyjJJJ T*-EQQ#GN:2{l^z%Z-r3"|ĉ|,YT}_1{lszBСC( JJJPT=jXhyyy2` RL>]lW~}.\ȨQPz:䄷7C OOOZ-%%%$$$۷}6 4з3l0Zn͕+WHLLj5r kYr%EEE[4jԈӮ];Znͫ*~JO>L/_L2aGrssիܹ\QxL.SQQB`՜?p-[%7n޽{lܸ͛7DZܜm۶Q^^NTT)))[Udff ׿8{ 2ӧO H+<{lrrr9s&}eݺul޼&M0k,ѫG dh4=K]ӧseHLL$$$Hh֬ݻwbmm-Fcœ9s?~9r &q;v,|I&BO?ɴiXv-#++3gRXXR/̙3TTTn:rdA`ѢEoߞ |rسgRrss7oweɒ%<{. hтsΑ+*٦;w̲eг9!00GGG|}}ҷ(55Ν;cbb+u!99/燑}Z ccc*++%/HJJBTҾ}{ԩC P*DGGSQQ7.\ܜe˖zJAL>SLAjw ׯUTTO?UFy=/,;˂p̙j߯x.r,A@Ř|G̘1 Y?W_Ņ9spuMJ{=ٳ'億pQ꿣XhZ:vg}9pو#"??_1{owyGƆ~$qL 2:u0|.^Hyy9J={FVV n@ܿ2e ;wfĈⶐ1OJ*JINNfرb>>>OVx^+cC/PXX=4bfv… H*dx\_wE@h;w.fff|dGWKwhΜ9bp!^{g 1ӧ۷og۶mt N>͍78pdB~^鞅^xSN L[?x.Zʕ+///? xjqh͛z(++z)DDD /^~'bRۗTVV ~a … AUg< :Z'ܹsGlĉ{'Bvv^d3Z'͘1C>|… BRRp]}V+|'֭[Ν+뢢"ݻBNNsϟ/ 虘8q0k֬7Rݣ:v(\tIAx%ae'T`ݻGAANk׮SN>777I-_ addDZZ۷ȈcǢP(D@z2a022֖T*L4I<۪Q*^VVˈ#صkʕ+W1c&&&h4Q*8~zbϞ=ajjʺuXvx䄅>~}ӧ6m2WҥKųJR%ݰaCH&M8p h{ }~{nKݺuy7GzT 10?@j9t2O?2M>>>r*++%Sa}䄉 &&&ѹsg$$^… i۶-r M }Ÿ0|8{,=cccŐ'88VKTT9Aꫯѣƍ21WXXXȩS8}4YYYtItvc`JKKQ(n\ŋj4j[[[?T夥o><<<066A$&&&Vy!`,w9rHΝ;GVVZ{2{lzɕ+W(--oVPur"""kg֭n Op7o$44_~333***d(JׯGi͛7~ DFpss#??߿d'9JZĉ2g֭K6mP̚5VZQn]IG:'XYYѶm[ ϟ޽{jJt|4Q^zO>'O|@nn.Ǐwww1GT}իܼynݺq1N:E`` ȖXUud @Ndԩ߿zKR]ԫN)))8;;ӫW/ h4lmmT=U'LLLLpqq!##_~N:ann7n_,-7ݻw˗/sZh5"??#GPXXH˖-(tPT899hؾ};t&Mp]iݺ%~!>N:%6:W25k]tחCDVVqqq-)CC,geeI&Mxw)))DFFҡCvލ$`,& DP yyyY?mHjESurx9tQQQ1|pwL&#,,)uH7jyr{eee&66G2x`UuV' 4 %% .иqcpqq^xAREūnCܻwFCN&&&q5MII.5d2~!nnn7s۷/>|<1 (d2̝;'N`` aaa$%%gqԩVdgʕ+35W^޽{%]t\9x ׯ'77{{{<==ٰarf͚!ɸs۶mo߾8;;Kf~Slmm}6۷oߟvѻwo:t-E*'R^=,XB <<ǝ;wDYfgQЏ5={p1߿ ))6l͚5}TP>'NxbZ-͛7ёpΞ=KII cڊسgd2ٸq#K,Ύ;vp5nݺ3 6Ȉ޽{Ka9)))8q_^zammJח;vG^ر %#3ƍ?dѤ~LLLXjmڴQ#0K/k׮3?3d2ZnΝ;חG@޽Olق 8::RYYݻѣ5{{{RSS)((ZM˖-%NGYY;wё۷STTĔ)Sh4׏}/K*LBYlZݻwرcܺuKH|ٱpBzg}/={̌d23gΔap찟-ݻw^"""8{,Ǐ^rj*4h /vrrqdeeq!Zj%vvv )b6mڄ/v֭[5kfffum(..///)++֥F %0w\Yj^^^hтۓεkۛEq)÷~+ԩSԫWGGGN:EiiޞK.qez Hkڵk? S VVV\t+Wr5֯_/f.JeokkkYr%Æ ٙ~TͥnݺXXX/K;<*K&MG ^uYf Zɓ'cIDATNqtt7ޠnݺz: 'O;w޽;zj͛ 9995Jb%h"VX׹>{{{6lȥKذa}:4kL2aKZr9Zٳ?~@ػw/ .~ &DÆ qtt}qF֭[ٳgٵkcѢErױ&))DRSSѣ;v͛۷EVfҤI 2###JJJظq#^Rm,A͛7ӥKdMgee-!!!ju[FWS޽{Я_?<==Yn 8q;w2eIeN6L.]ʐ!Cر#J)S0tPٿ?OOO߿ψ#9r&iӦD-[All, sѯ_?(..d27nȑ#| غu+ofСb1(I?Xd2J%QQQ\p>} j⠗믿oq`̙ٳJEzz: 4wwwnܸ0`ݻw ƍ'ƍ+Vw,--EP?0vXZh!V?~<]‚ϭ[ݻ7666ƒFrr2w_dKedd0m4ZlIn8s ܹs|WԫWORW'((={PhҤ ǎ#==>p^ʸqݻ70773}|| C苲2|M>* SSSZl)((`ԨQsY4hX9jY*s#.L+++ ILL$66:PTTāXz5AAA899Ij ={?*Y8pT>Lyy9 c׮]lݺ^{۷ojݻw֭[ݻK&*U`׮]0~xȑ#@Pмys<<<$U,pe#:*;wbiiI֭ e˖z_:].s-Ν;ڵkW۷xrs$$$ܹC=ҥ -mV[QRW`[g0tBOOO<͛9t.\ 88///=KۨT*ڵk޽{aĈtЁݻӫW/^o zͮ]ضmF.ùshժdZl^7mڔӧOӭ[7JdЧOv9s5j#F#*wUt/\@jj*˖-###lN:Ejj*ڵ~4sҥKN8Aaa!޿[/X cT*޽;yyy\z7x۷L|||߿?:u\  >}:%%%1qD5j$/ ёcp ,,,P* [BYד///ɓ'SYYIHH%s~K}Z-lݺe˖vZ6lOn֖[najjJRR؉CQ>MEE6lJ:|XXX`"""HHH`ʔ)z_ҥe=ZaÆ1` ͛IJJbْ#rss ܜyIffاuΜ9bֱ> cW_YXjW^}Kի%}CBa:lwER1eJ%/֗鐞| 4P̙#7111x{{|U?}tlllx dgg3|<==)}dnn.ۼy{:~Y4iP\\,,y'|B޽K`βe$L8Z-:+[n%##1cH^?J&NȨQhڴ);w$::MIϞ=JUiӰO?%//>uY< >k׮)Cٳ۷osy޽[trrrP*TTTH*ό8g VݳĂ $Sfɒ%$''SPP ctrxWsޫF0F҈7n֖I&P(XdIJejVm۶aii)OjҤ Ҽys$G𫯾L6 O~~>p1122Ԕ@ڶm+:EǛoE|2٤QVVF J> j5n cҤI888Pn]ju&̙3GAIHBUg]vh(--%99Ywe4Xͩj]ǝv}V;vVA:t(j???͛tʚH62 B 3fG}\;i{{{.]Jbb"GaRV5]stL&gggf̘+Wtt[ 7ԩSѸq'oٲ\ի166~M!促Zg,>|/ L&I&׏={/J6dmXwNr:t/O>% *++0`mڴ!-- ETT*(Km ! cE^^4mZ u%##C,sWUb:d2Yhf͒ofPRRBDDYYYBʊzꑞN||}&Ld9ǚCQQÇFCVV]vewnܸݻ{.T* h≿}3 ,ܹsBRF,ٳg sθ0o<ܹ3666quuկU ⚮Ä 8~8ĐMNGMlŋİ}v#v6UWj^y4=æMbtwwwΝKNNNӓe˖annΏ?$EkrYQ˗9{, fff4lؐv7PVVGaϞ==TSu}vɠA~v*5]pc_u8{,ϟg쌟Gжm[BCC&44TR+B~VHcCff&VVVdeehĆƎ4oޜp\]]'&&qI_mk5 cPSu(..&22ׯHQQZVё&M椥1uTIĊx뭷())ҥK߿m񬭭qtt9ss-CHlD# ڵks)ڴiC||)Ԇ1 :T]&M_nPcGj YtԆ1 :T4 ۶mcd?`, 0`PB4`C 0' 0' 0' 0' 0' 0' 0'됏ߥhdaIENDB`