PNG IHDR _ sBIT|d pHYs a a?i 9tEXtSoftware matplotlib version 2.1.1, http://matplotlib.org/ O IDATxy\N?v-$E QenX*e03f٬3a0F1udBERv~>ѹu]:s}ss$DD`1XivcScLMLc15q0e11SScLMLc15q0e11SSX8p $>}zm7*`cIdmذAAA*F `ddmۢsKn%{S=y 6T) add͛SNĀ J_rK;5WTTtܾ}ٳرpx ݻ,_Ç9v{%8]#F`ȑ(((氷Lff&{ƍ^:}Mt 7I/,,DFFbcc'3۶m(..Ǝ; H^ESNNN2饥BBBRRRdǣW^8<5k*X`;w.wp~qq18qqqyvի1yJׯ/_4OLL,X]vғÇ&2V "** 2ϟϟB ;wҥKe9r᯾Q"L0ѴiSQzjj*;VKboO?L͛k5L@FFF:uL:S|72i7_3}CGVZjerrrp9"-- M49<<