condition mean min max ZT0-3 0.028491483333333335 0.0 0.08547445000000001 ZT4-7 0.402308 0.402308 0.402308 ZT8-11 0.3729255 0.3729255 0.3729255 ZT12-15 0.40708 0.25575 0.55841 ZT16-19 0.07880095000000001 0.07880095000000001 0.07880095000000001 ZT20-23 0.10990644999999999 0.10990644999999999 0.10990644999999999