condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.06409553575 0.0 0.1281910715 ZT12-15 0.4849326595 0.3870442985 0.5828210205 ZT16-19 0.15527772574999998 0.0719400405 0.238615411 ZT20-23 0.02035320525 0.0 0.0407064105