condition mean min max ZT0-3 1875.65 1875.65 1875.65 ZT4-7 2294.1 2294.1 2294.1 ZT8-11 2152.7 2152.7 2152.7 ZT12-15 1311.45 1311.45 1311.45 ZT16-19 1095.2 1095.2 1095.2 ZT20-23 1345.65 1345.65 1345.65