condition mean min max ZT0-3 43.43565 43.43565 43.43565 ZT4-7 70.0131915 70.0131915 70.0131915 ZT8-11 85.68509 85.68509 85.68509 ZT12-15 78.494699 78.494699 78.494699 ZT16-19 61.1716815 61.1716815 61.1716815 ZT20-23 38.7912525 38.7912525 38.7912525