condition mean min max ZT0-3 5980.5 5980.5 5980.5 ZT4-7 5447.2 5447.2 5447.2 ZT8-11 4823.200000000001 4823.200000000001 4823.200000000001 ZT12-15 4432.1 4432.1 4432.1 ZT16-19 5664.4 5664.4 5664.4 ZT20-23 5972.7 5972.7 5972.7