condition mean min max ZT0-3 0.07446288150000001 0.064406925 0.08451883800000001 ZT4-7 0.07909578249999999 0.0 0.15819156499999998 ZT8-11 0.08800431925 0.0698811505 0.106127488 ZT12-15 0.085188557 0.007621604000000001 0.16275551 ZT16-19 0.011484600000000001 0.0 0.022969200000000002 ZT20-23 0.0257556125 0.0 0.051511225