PNG IHDR L | 9tEXtSoftware Matplotlib version3.3.2, https://matplotlib.org// pHYs P| IDATxyUnݥtNg#! @ &aqapมΈ1ૈ Y@gO]v~ԽY ,:;;msrS,w?WUVX3,N;4nݎs}կ~N;NEAQ7t B /^L:?;9S0X|9W^y%B47z V^gMWWeҥK7y^z)/T68=cڵض(vak-[F.#˱l2W