condition mean min max ZT0-3 9184.05 9184.05 9184.05 ZT4-7 7835.5 7835.5 7835.5 ZT8-11 7593.45 7593.45 7593.45 ZT12-15 6956.1 6956.1 6956.1 ZT16-19 8060.25 8060.25 8060.25 ZT20-23 9790.6 9790.6 9790.6