condition mean min max ZT0-3 97.8207 97.8207 97.8207 ZT4-7 75.96690000000001 75.96690000000001 75.96690000000001 ZT8-11 41.709199999999996 41.709199999999996 41.709199999999996 ZT12-15 45.75435 45.75435 45.75435 ZT16-19 56.11305 56.11305 56.11305 ZT20-23 105.131 105.131 105.131