condition mean min max ZT0-3 0.018657323749999996 0.0 0.03731464749999999 ZT4-7 0.1259687975 0.026383356 0.22555423900000002 ZT8-11 1.8498660199999999 1.190274992 2.509457048 ZT12-15 1.64169142025 1.0505487305 2.2328341099999998 ZT16-19 0.3300868465 0.176868816 0.48330487699999997 ZT20-23 0.10241685575000001 0.10139954749999999 0.10343416400000001