condition mean min max ZT0-3 5539.9 5539.9 5539.9 ZT4-7 9728.7 9728.7 9728.7 ZT8-11 9817.1 9817.1 9817.1 ZT12-15 8239.2 8239.2 8239.2 ZT16-19 5190.5 5190.5 5190.5 ZT20-23 4396.45 4396.45 4396.45