condition mean min max ZT0-3 0.2467345 0.165369 0.3281 ZT4-7 0.128554 0.128554 0.128554 ZT8-11 0.1105815 0.1105815 0.1105815 ZT12-15 0 0 0 ZT16-19 0.3905225 0.3905225 0.3905225 ZT20-23 0.5400455 0.5400455 0.5400455