condition mean min max ZT0-3 112.1 112.1 112.1 ZT4-7 157.2 157.2 157.2 ZT8-11 190.39999999999998 190.39999999999998 190.39999999999998 ZT12-15 191.55 191.55 191.55 ZT16-19 150.3 150.3 150.3 ZT20-23 122.60000000000001 122.60000000000001 122.60000000000001