condition mean min max ZT0-3 2606.55 2606.55 2606.55 ZT4-7 2672.6 2672.6 2672.6 ZT8-11 1788.7 1788.7 1788.7 ZT12-15 1339.65 1339.65 1339.65 ZT16-19 1054.9 1054.9 1054.9 ZT20-23 1680.1000000000001 1680.1000000000001 1680.1000000000001