PNG  IHDR (&isBIT|d pHYs  ~9tEXtSoftwarematplotlib version 3.0.1, http://matplotlib.org/ m IDATxwxTe$$$i "*kWX(EWՕ+**EUj(!$!$>3GȐB(3ܟʕisϙd~yystJ)Bag.@!`B!B$&.I !K`B!B$&.I !K`B!B$&.I !K`B!B$&.I !K`B!O6le\g}uVڷo*jt: uHOO״k2LL2___u9ӧ׿Çm.]ll,;vк NlРAQQQa1h6m$u8e6l$wh$$$&0`Һirpp0kOOO>]~=qqqV>m޼;vp)&}En1=00Ig}X<==fƌ^ӓѣG3uT=z4kVŋiݺ5`„ ٷoyeee DDDORUUEnn.ƍرc[nn.۷owƣ>?grwBdd$/& n]p Ֆ-[:x`xR!!!7={#<<\)TjjrssSJ)  Q;vPJ)u7$U\\N>բE|ݻwV;vPUUUC7ߴmԨQ*//O8qBu)zTUZZU ]l_x'UUNNR W^QJ)n:kΝ;ծ]`PGQSJ)UVVu:Ĉj֬YDeffxG_^WK,QAUQQQ^Q%''+JKK՛ou233ՙ3gԀRJb奎=j~ǎ՚5kkQ<*//W?S۶m3? 7P>?pڼyPNR{Vg6V^{R*66V}un~Go= 06\hĉj^VÆ kp޽{?RzԼJ5gϞԆ `Pd F`` ~ERDFF6̙3X̙39srbcc/9t:&Mb,[|ĉdffk?>On?sزe ̙3PZZJ^1b999u0?"33__֮]KTT]w]nvpCUUZ>Ç馛 ۛ~kvww7wn̴xߣ.B,Ȩws77sέUw]N8Ayy9AAA[\z^c=@}tiӦ7_bNPP9 ן0ax{{3}F yy뭷͵~}}駟r?cu>W@@Nj=<==駟\1Rυ5y/ێl1__ 5˖-clڴRSS@\]]9zh}ɓ'j*N8Ν;?~3sEFF™3g̵Z}͐!C, Ϗ0L¢EСCk׎!CжmZ=?cfѢE ^yPݳN:ǭZ_e˖Ō3d1c Nٳ'rK׽ܹsԩ;w&>>~SOա?fٳ曼xzz^R˗/'??:ĉ_;k,Z:uDbb"7t...L6~t:?߿&N_ ШΝ˶maܸq#WC[-Z/WGӱzj-܂7ݻw7~m_˨Q޽; L0YSWN]vbӧOg„ >o{˖-q-jqy>3̙cOQQ[ QBqRSS5j-49u:uVZZ&""V 4%%%`>of\Ǿ?TO(/a#!mB4K]n4=8fs%Kp7Zflذ<ذaC\+e2V1>;Bd>3'Nd֬Y<L:5k0zZ-auiIOD!Z!~krY:w,&s`nn)k)YSyy9<w&22_|G΁ٰ:ρ9CL! !PVj*+j:auÈ%؈#Xp!3f̠k׮DGGaMK̆8uX:++V "-U 0V!9(h$lX!D^!DI6H0'':=U3<ABJ̆t:ܝ)*!3 !v!єf̖-[1/3w\>O'OJ j-۷oo h4θqj-7`֬Yc4Wg *Qё]O49shXui`ۼy3DEEi]p򠸪rhs;ш*.!oŊL[ fܝoAuG 0!Z!r-ՋO?ԚeYp=Xv֪5 !p\\\Aj'tҕ^"I x8yQQ{#t%۩Wo/D8w-XUB؆N%!!-[X +CvBH`v^P`%PY|!hl"ڵ+$$$Ԛ⡇"..nݺ?kPv<<2UQe=ܕUkB9o:[RRRعs'?;wr9}q`01b-`̙9k;~%[]Ln"ha4~ZgΜiYZ,ҨE8ws 0J/hy$쀓..uR*BIN48޹:nQB! 0;w5!c BIىz\#<Ӡ\- NuX#(SBhLN4x 4t.&h$E!:WNEZ`BBNx8y4܉σe,CJ !Z 0;qCὠrSSBhHNx8yPf(äh]t`B@N yv%׃ !Z 0;Q3b!tB`vC߈Tw8ʬPBhGNx:{ H_#"L8U5BќH w[44TD!h$EojY+#<ٓ0^.= r@ IDAT͛vIz:vHΝy뭷j-e|||'>>sjP.)Z_ ipF.hB4_z y7ٳ'EEEՋCҩS' 5k4R{`Gٰs&L!y ,44={Eǎи*肣|¡u_Y&`yyy۷cǎa򠰩/ݻּ;vн{wnFgպlN"we>_qr5maB=@AA.˗/ 9}4}oB?~<׳gON8'k׮eر>Lrr299čзF1nvu+lМ-L!4p뭷֭[9t۶mcݜ>瓖̙3Yjz777VXNjCq8q {&&hf˗/gŊ 6@&OmFXXXпR .3k,f͚:'KW0D;wC_|9tޝ pQz-N8A>},]Ias- 0w;2~ʕ !YѣGyꩧprrh pѕ3ej3~[BXE9;;SVVfѣhRMpjz|-N!↖/#FɓL2۷GiTK['ɝoP}K!C6tPzɏ?Rz@jut $(6rpW~qW8!"dFM7d/(,ՌqE.pRptW=!ЀO>Yt)#;;4{9ǁUPݕ>< ;aF„1xHw!#z+W~>>N:;;vdȑ<3j]+BWG޴3fLO+ QB499N:1o<-kppRW`Mɭd4X=o[!Pmh,ܻQxHs/M@uG>çAޫBL#q 2!CPPP:t(̘1;<մk.∉`ҤI^N:Yz5/"z+fB)e/NW[u]zdBU;:W(DWV\}}T=ܫ/n/˿/>cz)SضmK,a˖-W "##͏#""عsgz|||m\r4vzkc 2L P  BEA#6'7лV#8:Wwwp9VO9}骿4gʹ:_󃷁j:֫g\k44&,[nL:/P&NHBBBPZ.lY5fdɹJWvҺ?88T|" 1TBiPPYr PUVPs߫TUXU-Si4 LPF0+StUeu4{|n\]߹`9, ,պFYf1x:ܽ{wɓ'͏ s VRRIIIM -U89^úMB\}8+DJCtŖ9H3_Y_ "O-k׮jժI HLL$%%ǏΊ+Xl2cƌaɒ%ۗUV1x{ ,/fh!`ojB\mxbvWڲe }Ws/Eswwg޼y̛7Oz%pa®L&K H/%0%炨,s!THrS1U*E9CyVJNN:w<:xOg/=q?7/ܼ 𡕇/A^:9[io;|0: 4G&..'i4V(BT 撖CFr.9KnY * (,XHJUQWr(mTqGqy'z/ sځT}h ?}k<|uՏ wZyHo}wՊd`Gƍ^hhtґC؄ CGrOq87ԼSti6g(ʥԔO(C䌣 g^P:⏿?!AaD_0}М %K|8;;ˇ~X3^ݻ{BgtMOrId^xl*r(1RI>&ZTR _r5` B=[LPCDfQ7ʂ ̞= ꫯֹ~K``U1>1Wd2qi~N4NdUr܊l9TrkhtEps') = &/d%Z=kSO=ʕ+0ay~7ɓ6s>}XjU'9O1l0t:wIIIM^`2p$m|h]Јhd_I:3I-8L YT\dtlj|"#hD-$H/v?\K5djM7o7|g^ϔ)S #;;CҡCXkdiܞQySJqiv#O%4B)tC )刣1Vt 3XtnՆaziJ:`9`^`6mjp%KXf 7ohժƍc׮]uXRRu`?á\:VpAjPe0L?N'"r̼R荁x9ʭQQt Gh][˹'~WQJQVVwm r%֯_ϫw}{ `2򢤤 67YMɃPPHOD{c4qoه8QxܪT,f5zNQS`,#hFQ'5k :ȱh"233>}:k׮ӌ7nᦨñ|hN^~GJaNRJ2:q_!u'"}4\ۥi#G9=,,kïjͲNo {L8ĻRd/>G q֐;gq'kK\ݕP@ !'XXʍdgot)#-?uw3-<@ʱ<>6#oՑA1t ~B\`@﹞$PYU?/wr*S0kY)LSWuwX7#ð T$;S\٬>9V;%t|s(FƶBXX3C[ j]];tʏ?qwph~# !hۛQW|H5!!9.Aj~&gdo4E[yk=<4Vq! fb`@_t u96UVR 47=a2Cܝ*!lX3/:tlM*vIؕ+~R@gBp30F xH` ao$ ?W?uekVow.,߰:eGwcUwiUF6Q} ޞW*R`Ȁc?-%ސU| ɪ:芇3eR!ot!Ds"֌ Ȼ{e{vĎѺ&Vp~]o8kLT@~0CZ',!3 fٚY“,j6@p\ovØU !Eq9??67;4.9ʃkWdWki&u"uɭt)t G>9gpO˹,ŕŬ;NJ~XN~<:u-X37/zӿ3)vo+~j F*1UZ1ѱDbb!$/g/zy#ZsQř:)+~F~U6芩 ØzJA!D$Z] sz{i]N-U*9 >wCI[ 72(&'uB' >o,q :^S˪C_yUKe`z c \.HZ[BFkňsrr ׷^Z glG›C`/B/ fj\8[ۿ8:8ZϖӔOYyh%%gR֗{~aB!/"ڵk\noߞ8.\h*Aϟz#GXslUS)o9֧roE^OAwYO;Kx !-G}'xF|7Abb"cƌSNV> Jμ]FcӄFuױ ?뎋s$2Okܝ5uB4#6k.∉`ҤI^Zt:zf/r *8jC{4쏡Ƀǯ~\B&';ҥKIHH7b~FFܹeڭ>}xC۔TrE-ҪR6m)e=\>~|ґ?2MlȐ!dee՚>o<~{9t:=?8|rJZ-<99drrrBÌn3td<6NբTOY?6mPFW$|> +=#ބF!5ymڴQ͘1nN3tRkDRRR8~8Xe˖YfathZ?'tΎ898qG Rf( -1Ay#,nN< _GYaeSO=޽{tDGGLOڵk; >=CΝ,ۮMޜ.9Wǿ⇌Uey% Zb|)㠫◴!Gw'2HZ]B"&j/7ұ&7B 0a.*1o܎E!'&̖L/ʙuIBQ/ 0hb,qy0PB&V1klM9}cxjD(Ya$ZRh'ϖڭݸ-!+ !ke0탟0L к$!$`-Џrd7^zV$%% !%ka6b_h{!M뒄H ~;şBp>+Qz !X Q^#}DPa.@4= /!Ds$}{0[K,I5c{Nq'{%%hv$EOxHx ! f(3;?؅ށM E i qĉ:t||}}ٻwo墣^o7Bi{즸K% !D4~wo@keL&CY|pW"¼.I!M\?|֥صIaY<;#ڷҺ!hR6ql֭Ӷm:t: F^HNNruaoۦnh]B4&o 2Z͛7 ˙<+^b oIDATyrؾ};aaadgg3tP:tk-l lќb_+=[2o\t:) ٳg]_ӓ'xZDg*#cr=<WKB1{MСCURRBQQ 6ХKkh}uYEq[w /!DyXLF ӧ߿?ݻwkaԨQ1BRmN'1 ;k]BX=5/Gz^)7m+1R&xgr /!D$|vhl?˟Gv6-/c\״ֺ!ЌQJ1ܡWwAB\`vdta΍Сœ,Xwh?u9B9 0;ƆU1.rP! 3 d c"E!@)x};Z#6C}k&R;i]B 0VVidڃt ᶄHB"fÖH%gGuQ:n! 0UT^{e` zh]B 0xqKxbX;KB$fJ*yqw[!MA?JILJIy!.,g]!͒1o;NQ m.E!lUlʕtZ^`qqqoߞ?N޽i۶-'Ne[]ayv1k(сZ#6*֥K>Sh1}X}~zxFcgϞͣ>JJJ ~~~,^e[݊]iWHu)Ba`;v}V^ͤIpqqM6űk.eR|7zL6?e[URoHS}洬ў\vͭlZC!ӜoB$PHȠ{BAB&Fad 1*Yj5֮͐M=)k;dzϻ_]]wqclٓ3A-4 LLL ,, *j902=½|cB|Pjj*FFF~zYYY~ BXo*++QYY BBB¢u~䛵;.#y5 =شiלuajj . *j9p9QBBOɸ޸q-Ihp-͡HLLP(`ZQWWqƂgt14;w@Ѡ ؿ?`0 ;;HKKÕ+WHOOŋ(++N9"Flc˘^ee%9\o\Tn`1db1&Kd111tpOeeedBJJ ޽{'AJ,VoP(3!}6bcca0pakzV۶md%H)jylj'NNdBGG "&[.Z-}d2D333DDT^^NRDzMOOSRRܹ>}*ARR I[n>QE!Gr""r8)ARqP{{; y(--n7Qbb 30{ t:Z-BBBz9VVX, HUB%%%8}4V\)AJqEUU?pZ"(CP`zzi HNNڵkG^^ , 0<<,bBaɘ~T]]MBى~DEEǰly!׆FAVVtwwUBQ]]l]0;;qQs.B[$''p|򅢣nAZND)#?ڻwo^!<<""#FCR;!HKKk׮ѫWhƍv%H+/wE;v90dlBZΟ?ODD%%%T__ODD)))Vl6lL)bQ 70kvz=F2-VAw&Df>|(e\ɡ 6J͛7իW***FQQiZ2w`1&Kc1YcL1%n`1dc1YƘ:t===>Y+55>Y@ DDp^9|Z'Fnn.}cczEEEؾ}׶;pMdeey׬Y3gl6b`ttcǎjBբ|fCmm(ύ1/z5ىHV{gff`X $''3699&\t (..˗/s@xx8011!ΓcL1"##aXFDD8$$s xy233P(#..JkZА_ cr _zBCC1;;9܎"((.3JnJk,BCC}1ƘzygFFF5;n`AFF}^{{;, T*-cnϟaZڊ^ɓlHIIA:18w}h30cg`1dc1YcL1\+CIENDB`