PNG IHDR ph sBIT|d pHYs a a?i 8tEXtSoftware matplotlib version3.2.1, http://matplotlib.org/: IDATxwte?IH! (Dી(R({P @$ (ǂR 靄PBB(!lv%mɦ83sF暻L!@DDDDD: s0!"""""aBDDDDDZ i """""& DDDDD5L@Hk0!"""""aBDDDDDZ i """""& DDDDD5L@Hk0!"""""aBDDDDDZ i """""& DDDDD5L@Hk0!"""""aBDDDDDZ i """""& DDDDD5L@Hk0!"""""aBDDDDDZ i """""& DDDDD5L@Hk0!"""""aBDDDDDZ i """""& DDDDD5L@Hk0!"""""aBDDDDDZ i """""& DDDDD5L@45k