condition mean min max ZT0-3 0.10531516666666667 0.10531516666666667 0.10531516666666667 ZT4-7 0.023606000000000002 0.023606000000000002 0.023606000000000002 ZT8-11 0.0002534575 0.0002534575 0.0002534575 ZT12-15 0.00688665 0.00688665 0.00688665 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0