SPUsagePeriodType Enumeration
Specifies the time interval on which a usage report for a Web site is based.
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: No
In usage reports created by using one of the GetUsageData methods of the SPWeb class, the SPUsagePeriodType enumeration is used together with the SPUsageReportType enumeration to define the information that is returned.