- Total benefits shown earlier.
- Historical fraction payable to nonresident aliens computed as: total withheld divided by total benefits divided by fraction withheld; future fractions payable to nonresident aliens projected to remain at last known rate.
- Fraction withheld set at 25.5 percent. See text discussion in section IV.A, for explanation of the determination of this number.
- Historical amounts withheld based on monthly report from the Office of Financial Planning and Operations; future amounts computed as: total benefits times fraction payable to nonresident aliens times fraction withheld.