condition mean min max ZT0-3 0.53210125 0.4660665 0.598136 ZT4-7 0.5139565 0.5139565 0.5139565 ZT8-11 0.656598 0.656598 0.656598 ZT12-15 0 0 0 ZT16-19 0.5963784 0.5963784 0.5963784 ZT20-23 0.5970310000000001 0.5970310000000001 0.5970310000000001