condition mean min max ZT0-3 0.03512932725 0.0079177355 0.062340919 ZT4-7 0.073614897 0.0520778515 0.0951519425 ZT8-11 0.014383716999999999 0.0 0.028767433999999998 ZT12-15 0.03730909 0.0056216795 0.0689965005 ZT16-19 0.00775756375 0.0 0.0155151275 ZT20-23 5.3100143200000005 0.7789591320000001 9.841069508