condition mean min max ZT0-3 7701.9 7701.9 7701.9 ZT4-7 5305.9 5305.9 5305.9 ZT8-11 5702.55 5702.55 5702.55 ZT12-15 5033.25 5033.25 5033.25 ZT16-19 5804.9 5804.9 5804.9 ZT20-23 7104.200000000001 7104.200000000001 7104.200000000001