PNG IHDR 5 sBIT|d pHYs a a?i 8tEXtSoftware matplotlib version3.1.1, http://matplotlib.org/f IDATxwXSo@FU'VuU[[j՟ZgZ'RmkvZ;-RG+jZd$$P{=7 7o=CDDc1Vj 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1c 1 `ڵWS=FzvڧzX8 dRUVpuuZl89x <==B s8ƍ+<'Nի *Uk4=Ƙ1cj xwQR%FXzӧ9sYxkeʔH$Brr>pwwG`` >Cjݾ}M6<<