condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.00298476 0.00298476 0.00298476 ZT8-11 0.0 0.0 0.0 ZT12-15 0.00389212 0.00389212 0.00389212 ZT16-19 0.0035773000000000003 0.0035773000000000003 0.0035773000000000003 ZT20-23 0.0 0.0 0.0