condition mean min max ZT0-3 0.029290200000000002 0.0 0.058580400000000005 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.10226104999999999 0.0500624 0.15445969999999998 ZT16-19 0.08641575 0.020192166666666667 0.15263933333333332 ZT20-23 0 0 0