PNG IHDR Đ* sBIT|d pHYs ! ! 9tEXtSoftware matplotlib version 3.0.2, http://matplotlib.org/8; IDATxwx>{!BbEJ (ȑ{8G?zlNJ T.( HNPAzf휝lMHܯʕ3)2AMkQc ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` Zdd2/990rHqWnUK7zHDD C ""b9sEqq1<<