wfFrSwSvcUsageFlushTimeStamp 1.3.6.1.4.1.18.3.5.9.6.5.45

Time stamp of last wfFrSwSvcUsageFlushInterval timer expiration or the starting time of the current wfFrSwSvcUsageFlushInterval. This value is number of seconds since midnight Jan. 1, 1976 (GMT).