condition mean min max ZT0-3 0.02425994175 0.0 0.0485198835 ZT4-7 0.16842326575 0.106377691 0.2304688405 ZT8-11 0.03948284999999999 0.0 0.07896569999999999 ZT12-15 0.04597843150000001 0.0 0.09195686300000001 ZT16-19 0.14698709324999998 0.0 0.29397418649999996 ZT20-23 0.1935740855 0.104167138 0.282981033