condition mean min max ZT0-3 0.3188485 0.3188485 0.3188485 ZT4-7 0.10124240000000001 0.10124240000000001 0.10124240000000001 ZT8-11 0.07459535 0.07459535 0.07459535 ZT12-15 0.1883145 0.1883145 0.1883145 ZT16-19 0.922392 0.922392 0.922392 ZT20-23 0.5816595 0.5816595 0.5816595