condition mean min max ZT0-3 0.44873399999999997 0.248874 0.796214 ZT4-7 0.5607690000000001 0.5607690000000001 0.5607690000000001 ZT8-11 0.6709675 0.6709675 0.6709675 ZT12-15 0.13679675 0.127075 0.1465185 ZT16-19 0.48627 0.48627 0.48627 ZT20-23 1.0120419999999999 1.0120419999999999 1.0120419999999999