TABLE II.F4.--TRUST FUND RATIOS1/ BY TRUST FUND, SELECTED
        CALENDAR YEARS 1950-94, AND ESTIMATED FUTURE RATIOS
              BY ALTERNATIVE, CALENDAR YEARS 1995-2004
                          [In percent]
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                                                  OASI and DI Trust
Calendar year   OASI Trust Fund     DI Trust Fund   Funds, combined
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Historical data:
  1950.......             1,156                --             1,156 
  1955.......               405                --               405 
  1960.......               180               304               186 
  1965.......               109               121               110
  1970.......               101               126               103 
  1975.......                63                92                66 
  1980.......                23                35                25 
  1985.......                24                27                24 

  1986.......                28                38                29 
  1987.......                30                44                31 
  1988.......                41                38                41 
  1989.......                59                38                57 
  1990.......                78                40                75 
  1991.......                87                39                82 
  1992.......               103                40                96 
  1993.......               117                35               107 
  1994.......               130                23               117
Intermediate:
  1995.......               139                54               128
  1996.......               149                82               140
  1997.......               160               108               153
  1998.......               174               119               166
  1999.......               187               126               179

  2000.......               200               130               190
  2001.......               212               137               201
  2002.......               224               141               211
  2003.......               235               142               221
  2004.......               246               140               230
Low Cost:
  1995.......               139                55               129
  1996.......               151                88               143
  1997.......               166               122               160
  1998.......               184               145               179
  1999.......               205               166               200

  2000.......               226               187               221
  2001.......               249               214               244
  2002.......               273               241               269
  2003.......               299               265               294
  2004.......               325               287               320
High Cost:
  1995.......               139                53               128
  1996.......               147                76               138
  1997.......               154                92               145
  1998.......               160                91               150
  1999.......               165                85               153

  2000.......               168                73               153
  2001.......               169                61               152
  2002.......               170                47               150
  2003.......               170                30               147
  2004 2/....               170                11               143
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1/ Represents assets at beginning of year as a percentage of expen-
ditures during the year. For 1984-90, assets at beginning of year
for each trust fund and the combined funds include the respective
OASI and DI advance tax transfers for January.
2/ Figures for DI and OASI and DI combined are theoretical because
of the projected depletion of the DI Trust Fund.