condition mean min max ZT0-3 10207.150000000001 10207.150000000001 10207.150000000001 ZT4-7 16418.4 16418.4 16418.4 ZT8-11 16588.4 16588.4 16588.4 ZT12-15 17579.25 17579.25 17579.25 ZT16-19 15973.0 15973.0 15973.0 ZT20-23 12639.05 12639.05 12639.05