condition mean min max ZT0-3 907.25 907.25 907.25 ZT4-7 760.6 760.6 760.6 ZT8-11 785.05 785.05 785.05 ZT12-15 918.6 918.6 918.6 ZT16-19 930.85 930.85 930.85 ZT20-23 907.4 907.4 907.4