condition mean min max ZT0-3 0.45092350000000003 0.44870950000000004 0.45313749999999997 ZT4-7 0.4512135 0.4512135 0.4512135 ZT8-11 10.90195 10.90195 10.90195 ZT12-15 0 0 0 ZT16-19 2.97277 2.97277 2.97277 ZT20-23 0.599345 0.599345 0.599345