condition mean min max ZT0-3 1049.6 1049.6 1049.6 ZT4-7 888.8 888.8 888.8 ZT8-11 1192.65 1192.65 1192.65 ZT12-15 1476.75 1476.75 1476.75 ZT16-19 1481.65 1481.65 1481.65 ZT20-23 1701.0500000000002 1701.0500000000002 1701.0500000000002