condition mean min max ZT0-3 2232.2 2232.2 2232.2 ZT4-7 1912.9 1912.9 1912.9 ZT8-11 2502.2 2502.2 2502.2 ZT12-15 2573.55 2573.55 2573.55 ZT16-19 2205.4 2205.4 2205.4 ZT20-23 2103.3 2103.3 2103.3