condition mean min max ZT0-3 922.15 922.15 922.15 ZT4-7 1047.3 1047.3 1047.3 ZT8-11 895.2 895.2 895.2 ZT12-15 779.15 779.15 779.15 ZT16-19 541.5 541.5 541.5 ZT20-23 580.0999999999999 580.0999999999999 580.0999999999999