condition mean min max ZT0-3 0.0056296275 0.0 0.011259255 ZT4-7 0.0097521065 0.0082284725 0.0112757405 ZT8-11 0.0 0.0 0.0 ZT12-15 0.0034588780000000003 0.0026647315 0.0042530245 ZT16-19 0.00485182175 0.0 0.0097036435 ZT20-23 0.0 0.0 0.0