condition mean min max ZT0-3 192.844 192.844 192.844 ZT4-7 302.129 302.129 302.129 ZT8-11 151.34949999999998 151.34949999999998 151.34949999999998 ZT12-15 114.58099999999999 114.58099999999999 114.58099999999999 ZT16-19 108.8385 108.8385 108.8385 ZT20-23 140.2465 140.2465 140.2465