PNG IHDR t 9tEXtSoftware Matplotlib version3.3.4, https://matplotlib.org/T̺ pHYs a a?i IDATxwX;*QTX[-j`ػ4K`XH鰰uWy˜9s;{X}GEQ}m@DDDDDDDDDD0NDDDDDDDDDD p'""""""""""Le&܉DDDDDDDDDDDـ w""""""""""l;Q6`(0NDDDDDDDDDD p'""""""""""Le&܉DDDDDDDDDDDـ w""""-Ř1c`gg===s>>>l쒝1 {{{v=㏨]6/CCCXZZN:Xv-^'B? >Ο?///H"...^#666044=Fof9///ÇRL&éS?Zj(TQ\9L8oIwL\-[~(X QL