Annual unadjusted flow from BEA, NIPA. Series calculated as Table 1.12, line 19, Taxes on production and imports; less line 20, Subsides; less Table 7.12, line 135, Owner-occupied housing: Taxes on production and imports; less line 142, Rental value of nonresidential fixed assets owned and used by nonprofit institutions serving households, Taxes on production and imports; plus line 136, Owner-occupied housing: Subsidies; less Table 1.14, line 7, Corporate business taxes on production and imports less subsidies; multiplied by the ratio of nonfinancial noncorporate withdrawals from income of quasi-corporations (FOF series FU116122001) to household and nonprofit organizations withdrawals from income of quasi-corporations (FOF series FU156122101). Quarterly unadjusted flow from unpublished detail provided by BEA. Data for the most recent ten years show no significant seasonality. Series has no levels.