condition mean min max ZT0-3 0.00283138 0.00283138 0.00283138 ZT4-7 0.0 0.0 0.0 ZT8-11 0.01084395 0.01084395 0.01084395 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0