condition mean min max ZT0-3 1615.0 1615.0 1615.0 ZT4-7 1251.3 1251.3 1251.3 ZT8-11 1192.1 1192.1 1192.1 ZT12-15 1189.5 1189.5 1189.5 ZT16-19 1488.6 1488.6 1488.6 ZT20-23 1551.8000000000002 1551.8000000000002 1551.8000000000002