PNG IHDR " 0 sBIT|d pHYs a a?i 9tEXtSoftware matplotlib version 2.1.1, http://matplotlib.org/ O IDATxwXǿKAD*NSA#j5j-1QILQFPĂbC#jl`E@Ey1;h<<;w{̝3{*@M pppppppw"*3D8888888TgpppppppP!28CCep@vv6x<cVZ*3D8888888TFȶceէYxS=e&OܬuhΞ=+USS.LLLoooL0?UW-AC ppp<UUUBII ߿K. o߾ĉBm988hL2EoooaEnhCnq9̚5QSSj888@#ҳgO˝O<FR̼<\xr8T\UUb ??ϟ?9bbbo>tҥUxP!2gΜ@KgѿɫA߾}Y!!!X`P-{8z(>8~]xzzѣׯ_3i pH䣏>BRR#]vرcx
H+
~'9rceeexwQUU"888$8C͛71k,Vѽ{whR Abb"iiiUǛ7}/0j(TTT0ҧOiӦ5Y~QQ\|@KK'Mܼy))) XXX }r>d