condition mean min max ZT0-3 0.00431715425 0.0 0.0086343085 ZT4-7 0.002641469 0.0 0.005282938 ZT8-11 0.02663509775 0.019702021 0.0335681745 ZT12-15 0.03453354975 0.023299588 0.045767511500000004 ZT16-19 0.006877663500000001 0.005930433000000001 0.007824894 ZT20-23 0.024621272 0.0113947375 0.0378478065