condition mean min max ZT0-3 0.00241542 0.00241542 0.00241542 ZT4-7 0.007484 0.007484 0.007484 ZT8-11 0.003725145 0.003725145 0.003725145 ZT12-15 0.0 0.0 0.0 ZT16-19 0.00272745 0.00272745 0.00272745 ZT20-23 0.0 0.0 0.0