Level from financial statements compiled by and purchased from SNL Financial. Year-end level is from the Annual Statement, table Assets, a portion of line 5, Short-term investments, plus from the Separate Accounts Statement, table Assets, a portion of line 7, Short-term investments. Level for other quarters is the sum of Quarterly Statement, table Assets, a portion of line 5, Short-term investments, plus FOF Section estimate of short-term investments held in separate accounts. Unadjusted flow is the change in the level; seasonally adjusted flow is obtained using X-12-ARIMA procedure.