condition mean min max ZT0-3 0.018002249999999997 0.018002249999999997 0.018002249999999997 ZT4-7 0.0 0.0 0.0 ZT8-11 0.0 0.0 0.0 ZT12-15 0.01133235 0.01133235 0.01133235 ZT16-19 0.0 0.0 0.0 ZT20-23 0.00496369 0.00496369 0.00496369