condition mean min max ZT0-3 105.69391666666667 95.33875 117.309 ZT4-7 85.32975 85.32975 85.32975 ZT8-11 150.4275 150.4275 150.4275 ZT12-15 209.99925000000002 199.1245 220.87400000000002 ZT16-19 168.846 168.846 168.846 ZT20-23 110.012 110.012 110.012