condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.010739499999999999 0.010739499999999999 0.010739499999999999 ZT12-15 0.0 0.0 0.0 ZT16-19 0.016091499999999998 0.016091499999999998 0.016091499999999998 ZT20-23 0.0 0.0 0.0