condition mean min max ZT0-3 7926.05 7926.05 7926.05 ZT4-7 11755.4 11755.4 11755.4 ZT8-11 11582.900000000001 11582.900000000001 11582.900000000001 ZT12-15 11542.05 11542.05 11542.05 ZT16-19 9699.45 9699.45 9699.45 ZT20-23 7314.200000000001 7314.200000000001 7314.200000000001