< 4 Weeks: 26-42
<1 Years   :16-43
1-15 years :14.7-36.3
16-49 years:11.3-29
>49 years   :10.9-34

<4 Weeks : 26-42
<1 Years  :16-43
1-15 Years : 14.7-36.3
16-49 Years : 11.3-29
>49 Years :10.9-34
Pregnant woman : 16.4-64.4
Woman on oral contrasentives : 21-41.8