condition mean min max ZT0-3 0.029383500000000003 0.0 0.0881505 ZT4-7 0.087247 0.087247 0.087247 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0 0.0 0.0 ZT16-19 0.0 0.0 0.0 ZT20-23 0.0 0.0 0.0