condition mean min max ZT0-3 13.89312 1.74049 26.045749999999998 ZT4-7 0.3723205 0.3723205 0.3723205 ZT8-11 0.49620600000000004 0.49620600000000004 0.49620600000000004 ZT12-15 0 0 0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0