condition mean min max ZT0-3 125.082 125.082 125.082 ZT4-7 90.03755000000001 90.03755000000001 90.03755000000001 ZT8-11 85.62245 85.62245 85.62245 ZT12-15 78.31774999999999 78.31774999999999 78.31774999999999 ZT16-19 148.7275 148.7275 148.7275 ZT20-23 115.246 115.246 115.246