condition mean min max ZT0-3 0.0 0.0 0.0 ZT4-7 0.0 0.0 0.0 ZT8-11 0.014656299999999999 0.014656299999999999 0.014656299999999999 ZT12-15 0.036811833333333335 0.036811833333333335 0.036811833333333335 ZT16-19 0.028893699999999998 0.028893699999999998 0.028893699999999998 ZT20-23 0.0 0.0 0.0