condition mean min max ZT0-3 3892.3 3892.3 3892.3 ZT4-7 3155.9 3155.9 3155.9 ZT8-11 2908.15 2908.15 2908.15 ZT12-15 3023.8 3023.8 3023.8 ZT16-19 3526.8 3526.8 3526.8 ZT20-23 3891.2 3891.2 3891.2