Beginning in 2009:Q3, level is 0. Through 2009:Q2, level from quarterly Report of Condition for U.S.-chartered commercial banks, 11 percent of sum of schedule RC - Balance Sheet, Federal funds sold in domestic offices (series RCONB987) and schedule RC-H - Selected balance sheet items for domestic offices, Securities purchased under agreements to resell (series RCONB989). The 11 percent figure was the approximate proportion of federal funds sales and security repurchase agreements of weekly reporting large commercial banks (assumed to apply to all U.S.-chartered commercial banks) made with entities other than commercial banks in the U.S. and nonbank security brokers and dealers; data for large commercial banks were from the FR 2416 report, Federal funds sold and securities purchased under agreements to resell, With others (series WRBK1390), divided by Federal funds sold and securities purchased under agreements to resell, sum of With commercial banks in the U.S. (including U.S. branches and agencies of foreign banks) (WRBK1360), With nonbank brokers and dealers in securities (WRBK1370), and With others (WRBK1390). Unadjusted flow is the change in the level; data for the most recent ten years show no significant seasonality.