condition mean min max ZT0-3 2076.45 2076.45 2076.45 ZT4-7 2410.5 2410.5 2410.5 ZT8-11 2568.2 2568.2 2568.2 ZT12-15 2619.3 2619.3 2619.3 ZT16-19 2359.05 2359.05 2359.05 ZT20-23 2331.05 2331.05 2331.05