condition mean min max ZT0-3 0.13778155450000001 0.114898327 0.160664782 ZT4-7 0.2439222375 0.1367854865 0.3510589885 ZT8-11 0.51615320125 0.389657297 0.6426491055 ZT12-15 0.7617708212500001 0.7553962390000001 0.7681454034999999 ZT16-19 0.5788852995 0.5758364499999999 0.5819341490000001 ZT20-23 0.6861904500000001 0.6671753600000001 0.7052055400000001