condition mean min max ZT0-3 0.0075247957499999995 0.0 0.015049591499999999 ZT4-7 0.068738248 0.0659911235 0.0714853725 ZT8-11 0.06957893899999999 0.016692461999999998 0.122465416 ZT12-15 0.03665829975 0.0106853755 0.062631224 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0