condition mean min max ZT0-3 886.229 776.4555 996.0025 ZT4-7 501.48199999999997 501.48199999999997 501.48199999999997 ZT8-11 973.1015 973.1015 973.1015 ZT12-15 0 0 0 ZT16-19 1300.565 1300.565 1300.565 ZT20-23 1110.77 1110.77 1110.77