condition mean min max ZT0-3 1253.7 1253.7 1253.7 ZT4-7 1196.7 1196.7 1196.7 ZT8-11 999.55 999.55 999.55 ZT12-15 706.65 706.65 706.65 ZT16-19 772.9 772.9 772.9 ZT20-23 1041.7 1041.7 1041.7