condition mean min max ZT0-3 3964.95 3964.95 3964.95 ZT4-7 3328.3 3328.3 3328.3 ZT8-11 3497.9 3497.9 3497.9 ZT12-15 3973.75 3973.75 3973.75 ZT16-19 3835.4 3835.4 3835.4 ZT20-23 3699.75 3699.75 3699.75