condition mean min max ZT0-3 0.08994493333333334 0.08994493333333334 0.08994493333333334 ZT4-7 0.053602449999999996 0.053602449999999996 0.053602449999999996 ZT8-11 0.00948355 0.00948355 0.00948355 ZT12-15 0.09208474999999999 0.09208474999999999 0.09208474999999999 ZT16-19 0.0087342 0.0087342 0.0087342 ZT20-23 0.19140100000000002 0.19140100000000002 0.19140100000000002