II. OVERVIEW II.D1 Short-Range OASDI Trust Fund Ratios II.D2 OASDI Income and Cost Rates Under IntermediateAssumptions II.D3 Number of Covered Workers Per OASDI Beneficiary II.D4 Cumulative OASDI Income Less Cost, Based onPresent Law Tax Rates and Scheduled Benefits II.D5 OASDI Cost and Scheduled Tax Revenue as aPercentage of GDP II.D6 Long-Range OASDI Trust Fund Ratios UnderAlternative Assumptions II.D7 Annual Trust Fund Ratios II.D8 OASDI Annual Balances: 2008 and 2009 Trustees Reports IV. ACTUARIAL ESTIMATES IV.A1 Short-Range OASI and DI Trust Fund Ratios IV.B1 Long-Range OASI and DI Annual Income Rates andCost Rates IV.B2 Number of OASDI Beneficiaries Per 100 Covered Workers IV.B3 Long-Range OASI and DI Trust Fund Ratios IV.B4 Test of Long-Range Close Actuarial Balance IV.B5 OASDI Annual Balances: 2008 and 2009 Trustees Reports V. ASSUMPTIONS AND METHODS UNDERLYINGACTUARIAL ESTIMATES V.C1 Primary-Insurance-Amount Formula for ThoseNewly Eligible in 2009 V.C2 Maximum-Family-Benefit Formula for ThoseNewly Eligible in 2009 V.C3 DI Disability Incidence Rates, 1970-2085 V.C4 DI Disability Termination Rates, 1970-2085 V.C5 Comparison of DI Disability Incidence Rates,Termination Rates and Conversion Ratios UnderIntermediate Assumptions, 1970-2085 V.C6 DI Disability Prevalence Rates, 1970-2085 VI. APPENDICES VI.E1 Annual Trust Fund Ratios VI.E2 Annual Cost Rates VI.F1 Estimated OASDI Income and Cost in Constant Dollars,Based on Intermediate Assumptions