condition mean min max ZT0-3 105.935 105.935 105.935 ZT4-7 86.93795 86.93795 86.93795 ZT8-11 35.4737 35.4737 35.4737 ZT12-15 43.04615 43.04615 43.04615 ZT16-19 64.66900000000001 64.66900000000001 64.66900000000001 ZT20-23 100.7452 100.7452 100.7452