condition mean min max ZT0-3 0.14515253333333333 0.0 0.2379795 ZT4-7 0.0 0.0 0.0 ZT8-11 0.1150795 0.1150795 0.1150795 ZT12-15 0.79408875 0.6927449999999999 0.8954325 ZT16-19 0.4726475 0.4726475 0.4726475 ZT20-23 0.4089125 0.4089125 0.4089125