condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.10639599150000001 0.0862443865 0.1265475965 ZT12-15 0.20383177724999998 0.055207774 0.3524557805 ZT16-19 0.10051979275 0.0 0.2010395855 ZT20-23 0.06886245825000001 0.0 0.13772491650000002