condition mean min max ZT0-3 0.12410099999999999 0.12410099999999999 0.12410099999999999 ZT4-7 0.0600415 0.0600415 0.0600415 ZT8-11 0.0326836 0.0326836 0.0326836 ZT12-15 0.066391 0.066391 0.066391 ZT16-19 0.3332145 0.3332145 0.3332145 ZT20-23 0.1567405 0.1567405 0.1567405