condition mean min max ZT0-3 192.9545 192.9545 192.9545 ZT4-7 156.051 156.051 156.051 ZT8-11 127.5265 127.5265 127.5265 ZT12-15 154.255 154.255 154.255 ZT16-19 195.1295 195.1295 195.1295 ZT20-23 208.4355 208.4355 208.4355