condition mean min max ZT0-3 0.1006197 0.1006197 0.1006197 ZT4-7 0.0291738 0.0291738 0.0291738 ZT8-11 0.01186425 0.01186425 0.01186425 ZT12-15 0.01449 0.01449 0.01449 ZT16-19 0.03799485 0.03799485 0.03799485 ZT20-23 0.12002950000000001 0.12002950000000001 0.12002950000000001