condition mean min max ZT0-3 898.15 898.15 898.15 ZT4-7 999.8 999.8 999.8 ZT8-11 981.7 981.7 981.7 ZT12-15 885.4 885.4 885.4 ZT16-19 824.65 824.65 824.65 ZT20-23 884.05 884.05 884.05