Level from financial statements compiled by and purchased from SNL Financial. Year-end level from Annual Statement, Assets table, Mortgage loans on real estate, line 3.1, First liens, and line 3.2, Other than first liens; plus Separate Accounts Statement, Assets table, line 3, Mortgage loans on real estate. Levels for other quarters from quarterly statement, Assets table, Mortgage loans on real estate, line 3.1, First liens, and line 3.2, Other than first liens; plus FOF Section estimate of mortgage loans held in Separate Accounts. Unadjusted flow is the change in the level; seasonally adjusted flow is obtained using X-12-ARIMA procedure.
