condition mean min max ZT0-3 200.0 200.0 200.0 ZT4-7 118.6 118.6 118.6 ZT8-11 190.75 190.75 190.75 ZT12-15 225.4 225.4 225.4 ZT16-19 225.6 225.6 225.6 ZT20-23 191.6 191.6 191.6