PNG IHDR t 9tEXtSoftware Matplotlib version3.3.4, https://matplotlib.org/T̺ pHYs a a?i IDATxwT;X)J {"Ech4+Fi ]w+v,QإHy.-sws癹˞;wQEQ: """"""""""/DDDDDDDDDDD w"""""""""";Q` 0NDDDDDDDDDDT p'""""""""""* L &܉ DDDDDDDDDDD w"""""""""";Q` 0NDDDDDDDDDDT p'"""*^z~~~~ ǠAPfMA__NNN7obccUǏ1{lT^066F1rz-&M*U@[[˗Gq