condition mean min max ZT0-3 777.45 777.45 777.45 ZT4-7 561.4 561.4 561.4 ZT8-11 678.55 678.55 678.55 ZT12-15 602.3 602.3 602.3 ZT16-19 712.0 712.0 712.0 ZT20-23 716.25 716.25 716.25