condition mean min max ZT0-3 173.593 173.593 173.593 ZT4-7 195.0365 195.0365 195.0365 ZT8-11 150.4225 150.4225 150.4225 ZT12-15 107.473 107.473 107.473 ZT16-19 172.74699999999999 172.74699999999999 172.74699999999999 ZT20-23 171.07 171.07 171.07