condition mean min max ZT0-3 54.4834 49.2485 59.7183 ZT4-7 65.46815000000001 65.46815000000001 65.46815000000001 ZT8-11 138.5645 138.5645 138.5645 ZT12-15 0 0 0 ZT16-19 151.4915 151.4915 151.4915 ZT20-23 99.8522 99.8522 99.8522