condition mean min max ZT0-3 0.1456344695 0.11106839700000001 0.180200542 ZT4-7 0.27153644025 0.19465532100000002 0.34841755950000003 ZT8-11 0.14644782174999998 0.1177325045 0.175163139 ZT12-15 0.09212538475 0.0867517575 0.097499012 ZT16-19 0.02958695775 0.0 0.0591739155 ZT20-23 0.21794427025 0.12161369999999999 0.3142748405