condition mean min max ZT0-3 0.00423205 0.0 0.01269615 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.018064175000000002 0.01184495 0.0242834 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0132651 0.0132651 0.0132651