PNG  IHDR V%4sBIT|d pHYsaa?i9tEXtSoftwarematplotlib version 3.0.3, http://matplotlib.org/ IDATxw|u&!HBBI@D@! MA1RETbBQp "JQ z"Uq(ҎP%#c&ٴ gfc*lڴIѣ8{GW^-@!7QFfi/cԺuki?l6>붜9sF]vUV4{ll\ڗ'Oo>YIJJR.]/R.F͛v3PD@8|l6ڵkiիWf駟eDZFʶlZZwriҥ*QD7ȣ7O.]ZUT߯zK'N𨎁ٳ\@[jժl_^ܹS6m *Or}Y?~\sرu G 6/|ϧ 8PqqqzƏ_~Y*UWfԿ-U}];wN/5҃>(I|N< 6h=z&NAexURE""" d O?͛7뮻R\\yfM>]/O?(gjժiȑn?hq;V^f׉' u?OzT\ټ ʕ+nH޽$s!q1&ڤInJ,iJ.mnW_e,55|Gq&$$J*|v͚5u]TRTR殻2gPnFym۶Ν;*U___S\9sw1cx-3g4=Z3!!!3?GSO=eUf|}}MMVngA+ѣ&..Δ-[f͚+Vmӧs=Gy޽;C٬>ۻv2> 7%J0f̙3nu믿6ɓ3N68ʔ+W\xe^ZZ9si֬ 4QFnz???a bvzݝp|嵻8bLR<*yf#4l0u?z˗/@SF RF{ݮ'))ɔ)STZչ#>|L8DEE___ӷo{1̎;RSSMXX 6/_v)oMɒ%MZj2eHծ];^Z 6T߾}u5}رNf[5qDըQCݺuS``?u~p{:u*U}J,Y>}hǎ2eGΝ;լY3y{{cǎZ/?ԫu0@ 4PLLʗ/ǏkٲeҥKձcGֳn:o^.\Pllty?βΟ?͛|z'ui-ZHڵ_|~YӊպukСC/wߝm?յkWyyycǎR~yfd+WJ6mmoݺZh~I?:t )ݻkUu&___XB}/~;y\R>ڷo~A'O֦Mv\WUL9R'O$ 2ĥ͚5ZjU*rfD@K|5|%%%W^ P.]4{lYen5o\?bŊ.odh>͛7}z衇2,g{U||ڷo򁁁ʕ+ݶۓ_o˖-z뭷4~x/ɶUVUŊ' ;ELa5ȑ#8z $44|e= ,03l;76^^^&)))mr_;IO>.$'':If֭ڵ9=--tH2ovy%X塚^h"#<#ٖxw9;0^^^H2=zPvƌF4iRy;v4޽{.Wu!k*U_ld v~H2k֬ɶcǺ2Ƙ+W(ӤIb1c#Gd[?(X@.)Ie˖:WaZŊչsg߿_Gꫯtqhm+Wvߪ}qƹWϞ=ui_$]zU ,Pٲe3|x{:p֯_e}~vƏŰwܡ zcǎL2.73g8*UMk뫱cJ,Xa]zRm6ƍ'oo|y駟_]wݕu=zTV@@|l/^X.\PΝڹso߮m:߃֭[+22RK,0T׮]>esKwy^^z*7^=zի./9ڙhAAA.2m63F6lX:YfLXXS\Bll/_vիզM|aÆ93yl)-Z0ݴطoΟ?=:ӧOKJ ;qqqT^=ũM6v!In/q/;w8uU'O_W=裺{ղe\ v]Ǐ׏?Ǐ+99e'2P?,ICddvhB3gԎ;ԹsgݻWIIIjӦJ,M+VΝ;nڴIyf3gΔ$9tW^i6M=zиq4|=3y!!!ztR/[$iѢEvz鶞2IJMMU^~z=3z>w8:E~I'O֘1c)Ǻ@v qvzw3zgˮppʫsI٣={dZ.a7eU^]g֘1c4fk׮4i@naaalܢ^իW;`fϞ-Ijܸ&Lyu]jӦ:t蠠 yyyiZfM@}$~]YMwQWf;69>wӦM˲ܥK JJJʲLvqǏ ׷ϲڗօ WΞ=mjϞ=>}z2ӺuTfsytԩ˼^ziܸq5kK={jҥ;wƏ/I;w|||綮|_wZhz3ȬYզM;wN_~e^>}ot\rEܞ42%XE2 >*?9X:u*ü|:w,>A|V|||4l0ٳGǏբE }޽Kiiiޕ:uJ{ҢE }w:VZCjj߾~lŝw}Wϟל9sb M#GhڵA<ɉGn4g>0[=pmܸQj0ցԦM/)nQ߾}Oر2}Okͮʢ݁b!/߿d̙㜖f )zY=hT=Sa;ϣ`?q;K/|՟e1wvߝ$~ v 7~~~Q#;խ[$&&:&$$ ?~l6e\o2edIhÆ . ͌_.eǍ|x2PRR\2˗/0رc2&`k.<ԩS&00Д/_?ɰ.]d6nne0yd#|e7 ?O|Xk֬Qf2Hz;vСCb =#nlݺUF~_mذAP@@M,~i&}'Z~bbbxݻW7oUZ5bcc8/_^+W֭[մiS 4YW ҸqtwcǎpႾkjsnݪ_-ZZl +Gԩvܩ(;wι7d[9z&rYf޽{gzyTpp׿jZl}QhլYS~]>}.F>LQ:u2/Zcǎնm԰aCmݺU?6m;˦M6:v옚5k;vd҈#-k֬ѵk\xPĘ14ibLٲeMϞ=M||ǽGu___Sre3l0se{@IHVL``eRRR?ӼysdLddi׮>}3׻z0aLʕ 3-[4w{s֬YqƦdɒdɒqf֬Yne3x`fLͼy>KaW^/ 4K6u59}tj*Ӽyshʔ)cxm۶,߿8pyB uO?P1OBGMhh7qi3x`SjUSD S\9ӥK? }޽o߾jժׄn <7!!!Δ;%Kʕ+X[o'NdEbJ(a*UdZnm&My~;?#s뭷???SbEsex1gGeTb|}}Mڵ͔)S… 橧2+V4Ϝ>jժϟ}?~x{{z͕+W66sub #Qm\rsX.sfXfU^x\pܵkײ]wښYH=@lͦVZϤXrbbbg xΞ=U[n 9(b ,mVڵӘ1cVno$7(䖠(")SGhxcfP\9͝;WA\(0,@!{@֮]:(""B6M˖-soш#TbE(&&&sΝ;ݻ+((HeʔQ߾}uE+7nz @.] hڴinO8Qf̘͛7TRURRLݵgXB|֮]~Y ܸ/l/cLc^Æ $%&&*,,LsQ\\~Wխ[W[lѝw)IZ|x;vL=ͬ=СC:ybbbӂդImܸQqqqڸqʔ) #///m޼9%''+99:--MΝSٲe3}t]pA>8'OJ\9)4kL~~7ծ][vҺu;H:'O*&&ƹLpp4i7 JNNv풤E'E6˲튊RSS5vXu]tIIRXXraaay6~x=:tG9Ol5o<͟?_zvܩ!C(""B{:C:_vUREAAA\"@^xKn6?~zpIR||*V\.>>^ 6tN???e#"Kxr\dG|\4IR+W:vm޼Yі@"{ZC;v"##u뭷jǎzwOHl6 1cƨVZ^^uEDD.7"@N_]>N:_#Fpyu%O |rbW}x9O= @X2! e ,C`@X2! e ,C`@X2! e| _wH|=n^{M6MJK+1cq ,eR:̙ĉҕ+ҵksJz=3glư3cD@!:qBڳ[w))KCԩRdu9" $HJ>75A*ED=9~v7@s;gʕ/~##-K"<`} S@4r4tTDᴁ, R޽sϥ߿PևI~~ )9Y/VX'%%~)S/C1Cj<( /JqzժRWorr}i{Z.(<Odg@2?KںUjذwIRϞ'eh؇JLL4Lbbba774c>ԘIu|iiWo̝뾎ܔsE''%Qn_A}6  2f4cRR (RR?_AAyۡz=9~,p oҏ?J>ѭht=R[o\\ER۶~y&gmGQtt=s]h=Ql7gVVHמ?@$--}k-no)66˗9~\><ݚYu;&Jqr_~{_<}r9Ȯ}yl sAAg%bOr")Iz뭼}oEGسS%X+WSv_O~J0W|ٳ%c^y%}Ց劋>ٵ?vd]ݲ@N\iLZ7.p=.ʣ9uJzyϤ-~rƳi@U+/U>ojSt{sszᙔ3?$~e .jY 'l~eݺ*:\Gy iiO|.]zqf+ҿ{̑^x!_c„/(y{g]nپ}, IKK꥗$;0 Q6[HRR.+W0mdtLz3'uN_߿;L %۽;[o@ȱ'LH/jX.};/k駟7(""B? &IJLLTXX̙l Vbb@qsHZtyC]vUttl6۲mذA/ּyTL|nݺձcǴfUTI>z)I5jhǎjذsVZaÆ2eJu&''+99nJ*:{,ȆnWٲe >9YSOdɒٖlj޼7oc?IU5}t :Tl٢W{ɓ'%Iaaa.˅95z v{(<9nQȍWwy6l6x`mٲE7nԆ Լys8qB+Vtڵl6-Za= p bN+VTݺu]թSGK,$K]H||%Y󓟟_>>>)]30/_3< )SFKOiV*I^õrJ|ݮ͛7+::@ k@ ;w?׎;~piӦM7n8?Ԁ$߃2d3F?{nKz M늖-[~ŊꫯԨQ#IRuYkyo7֗_~Ç7P5yduY_ԥKԯ_?%$$_ m߄kʔ).`jJ;vuE=#V9 <9~%XWztwjРA:w$iԩ7oʖ-5kB ڱcOPlz޽{o~g=Z>RRRfUXXZlne0=ԩS7@ђ{@Ο?Oo>l6IRҥeѥK$IժUK}Q~/`xΓ<݄w^mذA{ٳg%Ie˖UTTUNܮ@EGG H… U^=X"ü~[~?*#y ۶mS Ԯ];=3t8[/tݻwW[q6Ǜ4RSS5~x ӹs3f衇ʯv O% 'y [={ԭުcǎ۷o_ ĉ;wwﮱcǪM6:|p>4@qr_~j۶{;w.]{~?_mPPM:Uݻw0ܹszg_(555O,,xΓgTgUXP-ZH/K<]Y#<*#y=*׵k׼T= ^^wl6( _5ôT>|XӧOW||>裼Tг:uhUE%OBJǎ5o޼@Rȑ#rJAV= ? Zv}]o>/U(F@6m2ڕ1F6M;vԌ3Rb$O0f)$$DիWWrzLHlll~M@oBDݫiӦiJLLTZZ|ͦ={@z@֯_;C ,PR/|*Y+///կ_? SyTJ߿_ϗ$9R[nիuq7_ Sٺu|I[*IjٲW^y%P,)xyyL22eGgΜqίY&pSY/)fڵk뫯rU|@rk…ˮ ?\vիK'̗(|ƍe$IO>>CU\YժU|W_}5_zK6MC qNKJJҀTlY.]Z;wV|||@l֮]:u0VmٲE]vUPPڴiɓ'Ky}3g5p@yyyin+88X *MOsҦMX"ύ/^TG)$$9=11Q3g;C{G5ٳamڴ[ r$v}ј1cӷmۦk׮)&&9-**Jڸq6mv}JNNv풤VŃ'9 7 jڲeKy'Os`0}^zIUTQ%rJuYo>9rDхdeݻumX``ի2TR*[sz߾}5tP*((H Rttt7(xw}W^^^ܹ>ԊMYzkM6MӦM+ "qHZZZAM! e ,C`@X2! e ,C`@X2! e ,C`@X2! e ,C`@X2! e ,C`@X2! e ,C`@X2)djܸUB=ڷoK$ 0@e˖UҥչsgRf 0@6mҊ+t5w}t钳7}Zx֬Y'NSNjf3ƘnD~8}*T5k֨e˖JLLT5|uEw^թSG7nTӦM]nWppTЛi??KLL$Jmۦk׮)&&Y&**JڸqcvCZZ ͛^z'OWeʔq)'O]Orrv$)%%E)))zx䘹X?֭[?^G0DdΓ"@oFk׮UʕuU%$$+<<C:_vUREAAA"@14hK^ZիWwߨQ#(QB+WTΝ%Iӑ#Gv~~~0G>>EvW䘹U0@W_}@} PppC*44TAAA4h= @+l6gϞ\Ry-X@Ɋ|%X0<9~. s7s@ ,C`@X2! e ,C`@X2! e ,C`@X2! e ,C`@X2! e ,C`@X2! e ,C`@X2! e ,C`b@Mjժ_M4?\MnZ:,ZHCȑ#}v5h@:uTa7 );詧R>}Tn]͘1C%KԬY iMWj۶mqNRLL6nX-n^>݀r*,,ezXXvd%'';_'&&JΝ;k,P vI1&265z ӫW^g*88b@ʕ+'oooǻLWxxeC:_'$$jժ:rH;"IDAT vUREGUPPR/R/R/R/Ro711Q ʹL jԨVyTTcd3"۰ hč-x*VCVTcbqM$'n礉hZEQcō"AcSQ #kD6QP_0a7 }y;̝{ߛ&\,XX\/\ 333\\\\ܷ.WOSuvK.̙3???l߾uuu1c1&J:=QYYaРA8yډ1c1_vZmo駟b͚53g_fj˹˹˹˹˹+c1cHg1c11c11<a1ci O@c1cӗe='t@SܻwЧOi,[[,6bkgW[Oj31K.+ޜL8jg1>~˗/all GGG,_:[ZZ0߇?rUfرJJ 7|f[;bkg劙Ɠ/[_(;|]ʝ5kqiԠ'OD}}=fΜsGee%P^^J!<<\\mw8y$VZd$''cժU8u>c[;bkg8GǓS_%ӧO-ϟT (((;PRRÇ 2̛7O[XXxou*W[,\ܺuu2 o֩\OOOܼy׽)mjDL溷9Wl,ŖOV})dv׹ f\.owۜv['ݾ}[֭[s4sрV}ݩB\]]u.Wl,ŖԗOBW\߾}J$TVVF$*mjŖ_bĈ2d<;w\nBBf̘CCCܦ&۷O\mwŊ4hL-**±csbkgWl,\<ש/KsҤIELLLٳu*W[,\Crr2?~ :{ 6 P__e˖)roߎ={ 666Xȝ5k [;bkg2_WIAA6a͘2e ֮]gϞ بŋc݂ej3W[,iӦ)no~ׯ#::Zr.\矣 ŋV}c_عs'֯_sbkgWl,\xf+n[ƎK>Ei$oЦMhذan:V;!wРAC""jhhtAɓ'DDܬwQMM犭V_rxCl㜮^_ R6ѣGqYSNFrwލ'N| fV;!Wk}}}Wa` [_[r "sb}saggѣ犭V_rxCl㜮^_( wYaii "“'Op}X[[ MMM:={ Hp]ۣr\\m͛2dE=@DVYl[;-+76 ץܼV;-1 xתko{$$$tk_|EBV}u-Wl,Ŗ_~mB9~x˺v[nIII˺kkkPUߣGvkbkgWl,\xPWP"##;\ֵ\mrc9=|9 f舠 ke{`ee%h\.݇BMMMɁO!竼...g&%$$ **JPYYW#Պ+hZ]]*A<@ff&<<<`oo/x_~is[||7Ac***(%%ݻ'hNiǏٳgDDTUUEgϞ_~E#ٙD? ?=SXXSZZmqpp/]DR(44***$%YYYѹsח<==B~:R޽ϏwKW^,#=;w(88O?zź_L8p <^J&L SSSrpp,r=*n ە4a233 ***,7<<ˉ{ښ|}}Ɔ544ɓ'ӱcǨY־{211!{{{JII![[[%+++ڿ`YYYԿ233#===߿?YXXѣGˣTJMM #zVr_4~ :|///tZAQ˟`ÇǏ?'OOOů)+ogLJMM%+++JII!".hnbbZWܬvz-Xq3eddPxx8PMM  RRRڵiϞ=DDDcǎ,W"P@@+LLL(88F)Xd=22VXAe ,wہIDD26oL}%[[[ZbݺuK^^^TXXHYYYdnnsssUڢ :Ӊy_pBjll>~ ;LxIk<Q>wBVQ*dǫG#GTy)v޽$ɨX# ʹnSgdMI$rvv&Tghh(XnܰaRuu^G(Xw}GtET*,r} @MMM*BQ|||Tyyy s={6уFA`V\&ä5(<ǏO\DDvZ7n`TPP:{{{re2;9:: ]r:!Gg:777ݻiСJR*))isZٗ_~I&X!g"B3f RSS9;; GDIٔw 9Z`-Zjkkiʕo>t lcڹs' 6L!CիW)==DDt A q]x<==&ä5>wM[~EEEDDPĄLLL{2)l7nl_DDqqqFDD{?htw977FEIdnnN#GEGZ,744ʷlBDqƵ޻wm!i4tPӧyNNN9Nd233#TJ ($$rSG%Y[[ٳg)88d2 d"VVZZJs,w*Xm "lݺBQQƖJCK{{{F;vY#33Sȉ'===߿qqq(--Eii)G {I̘1֨Bbb"PVV\KKKsMMMhjj9.]Bzz:$ FAZh[H${ZnII o]_kkkTWWQ#999엌[Cqq1$ akk2>Zdgg#--  Đ!C{,--v5;wݻhjj%ѫW/A3iwATT._Yii) xd2Ar/^>ÇW[7o< ;uTDEEa*[nEtt4r !!!8x TKKKY4~t:z*رCkuuu~sʕ+t}󪪪xMMM!р> \eN\ 䶜ikkѓ:;:ڵkT;k>>055Ν;8|0`bbooodff=͛71}tXZZ>>>8v}={XVVV>|8Μ9Om1k,HRraa!$ 6oތ۷Ƹ~:_|`ll ,_/l&moc{߿V3 6`͚5 Cdd$*++W_!00ٳkmaddh466O>Ѕ :& ck9sFo*;|0r9p}_޽ކ3gT1b,,,Tƌf>ٳgS,\DQdIN~aСeQVx!,, 쪪* 77%%%={ڵk}iӦF۷/<==UcԨQF3c co??? [悈68;;";;[mܢ+**mEPd9x-"š5kf͚vn:L22 6Q|7ި=cL[xc:D.C" 99jw﮸|AYsssm}%oرX|y%^v;9mթr"Rd@tt4BBBڼ 00yyy8z(N>;wb۶mGdd$ʚ| [nm1'U1֕1t+/[XXZ.../c3敷 yZ---<~Xvbbaaz#B/YYY=ztI!XD*Ų+\qjHXX.^SNFSSS3f W_lk[Wz7իW/#!!j+++x~MҸy㲲p…ަ0/ںzսs1Ƙ!êUPXXPHJJܹs Dbb"Ə0a߾}puu}e˖رc4if͚ooo!''(,,uAtt46mڄI&a„ Drrc$3|>|80g/^ݻw%222 (n̞݊={ァm ǁ0o>ӧ1qNySCFFbcc{nTUUW^