PNG
IHDR 1\ sBIT|d pHYs a a?i 9tEXtSoftware matplotlib version 2.1.1, http://matplotlib.org/ O IDATxwTT7ЋAB(Fǂ#v&11x5D51jboh%Q"vQAl(]i_Ǟ~)gY}fSps1!B!B!BQ B!B!B!!B!B!BJP"B!B!B!*Q@B!B!B!D%B!B!B!!B!B!BJP"B!B!B!*Q@B!B!B!D%B!B!B!!B!B!BJP"B!B!B!*Q@B!BC=H$Fi.}lwGB!"13v!Rqի>QPP kkkTR>>>hҤ ڇ$ܼy?FNN$
:k
kcc>Çǀ`kk+ΚڳgqYܽ{o߾UCŔ)SP~}>m_Cѽ{wnYvcxzz"99Ym>HJ*uE@@ -[,4&&&=իf͚whժzI!B7cB^ʕ+vԩu)))ꫯUy;;;̘1_}4*cuFjlc̙;w.D"z}
aȐ!عs'L$!)) %e4i_~KZxpDDD輝c???hݺ{eƎk~UK?3ưi]l]!zpMmB!B)#B!eb
L:[&poߞGKرcq[nExx8b1Yf3fzɍ{?Į]Ezzz_pwwGϞ=ѦMl^^^013Ğ={`Joܸ[ƨQyӎ;PPPH̙3=|r4nXnX,FNNݻ#Gܹs{#GDh-(bqك{9j]F B!TB!?D" }ժU#n=O:e>yxxp}ѨÇYJmڴog+$nX"e˖}}}}z0CmwB!BB!Z#6mhTG?^,??Æ
CQQʲ999|~>c\~cƌQ\V#ly)Ξ=WJ}f̘y0hOӧO#+"ӦMôiӸnL#B!_(D!͚5iiiҴ)8 oooA`˖-ܲ8\Rey!11Q611ѤIA헰
?*cu6
Yfܲ;w襭qj*""K>ݺutݻL{C1ܼyӈ="4sL͎?nB!BʊP"BV^z%4ɓիj*L:ff?Y~znٗ_~-[j~iWlLk˗/_꼍y#Hyfi033f ۷oUAPn]d3YIIIuRRR
333899T.
˗XZZjժhժ<==\D"s琐gϞ
s;o h9T҃c[^{E;KHOOǫW`aa'''I&պ{!>>ΆѺuk899l!B>8qB!EqsH2yuN l
.YgaaQ1:S߾}>YFm|WGrЯ_?{ϟԩAJ%QQQj={aÆU/SSS֥KA;wm۶I[SjѢ;}mP۷lٲe]4%%%1Jreu릶,}nwmQE=c,77-\խ[WzYZZΝ;;v"7oRڵkg!B*
(B!D+͚5._'p8Pa .uҾ*^gcH$rZ_n_M6[={p][ {V`۷oWj+&O̊֯{aa!ӨSSShcիWr5e/;;;vĉ"4h lՖ-M]}Toۿ?sqq^osssT/B!:CB!!>>[6` -[ٳg~W^W'+cu67ɓ't6>N0v%ѫW/.O!$ "##
ֿؽ{7iwww-WPP ~~~FFJYǏתغu4+1vX\tIsssѥK\x[.͛sCo߾zLRSSt*UԖ1-۽ ?råD"ԬY͚5C&M.֭C~n
4h ԩS&&&rƘ6 !B>XƎhB!-wݻwuR-WwbbtҾ2^gc`~hn_M_1c$$$pyիgiJtt4ejb_5;~8Ζ#HX||