condition mean min max ZT0-3 35.290350000000004 35.290350000000004 35.290350000000004 ZT4-7 406.099 406.099 406.099 ZT8-11 136.559 136.559 136.559 ZT12-15 7.756025 7.756025 7.756025 ZT16-19 1.76756 1.76756 1.76756 ZT20-23 2.831235 2.831235 2.831235