/* From: superkey = Year
      To: oasdi = Old-Age, Survivors & Disability Ins  */
 proc format;
 value oasdi 
       1937 ="1"     /* Calendar Year 1937  */
       1938 ="1"     /* Calendar Year 1938  */
       1939 ="1"     /* Calendar Year 1939  */
       1940 ="1"     /* Calendar Year 1940  */
       1941 ="1"     /* Calendar Year 1941  */
       1942 ="1"     /* Calendar Year 1942  */
       1943 ="1"     /* Calendar Year 1943  */
       1944 ="1"     /* Calendar Year 1944  */
       1945 ="1"     /* Calendar Year 1945  */
       1946 ="1"     /* Calendar Year 1946  */
       1947 ="1"     /* Calendar Year 1947  */
       1948 ="1"     /* Calendar Year 1948  */
       1949 ="1"     /* Calendar Year 1949  */
       1950 ="1.5"     /* Calendar Year 1950  */
       1951 ="1.5"     /* Calendar Year 1951  */
       1952 ="1.5"     /* Calendar Year 1952  */
       1953 ="1.5"     /* Calendar Year 1953  */
       1954 ="2"     /* Calendar Year 1954  */
       1955 ="2"     /* Calendar Year 1955  */
       1956 ="2"     /* Calendar Year 1956  */
       1957 ="2.25"     /* Calendar Year 1957  */
       1958 ="2.25"     /* Calendar Year 1958  */
       1959 ="2.5"     /* Calendar Year 1959  */
       1960 ="3"     /* Calendar Year 1960  */
       1961 ="3"     /* Calendar Year 1961  */
       1962 ="3.125"     /* Calendar Year 1962  */
       1963 ="3.625"     /* Calendar Year 1963  */
       1964 ="3.625"     /* Calendar Year 1964  */
       1965 ="3.625"     /* Calendar Year 1965  */
       1966 ="3.85"     /* Calendar Year 1966  */
       1967 ="3.9"     /* Calendar Year 1967  */
       1968 ="3.8"     /* Calendar Year 1968  */
       1969 ="4.2"     /* Calendar Year 1969  */
       1970 ="4.2"     /* Calendar Year 1970  */
       1971 ="4.6"     /* Calendar Year 1971  */
       1972 ="4.6"     /* Calendar Year 1972  */
       1973 ="4.85"     /* Calendar Year 1973  */
       1974 ="4.95"     /* Calendar Year 1974  */
       1975 ="4.95"     /* Calendar Year 1975  */
       1976 ="4.95"     /* Calendar Year 1976  */
       1977 ="4.95"     /* Calendar Year 1977  */
       1978 ="5.05"     /* Calendar Year 1978  */
       1979 ="5.08"     /* Calendar Year 1979  */
       1980 ="5.08"     /* Calendar Year 1980  */
       1981 ="5.35"     /* Calendar Year 1981  */
       1982 ="5.4"     /* Calendar Year 1982  */
       1983 ="5.4"     /* Calendar Year 1983  */
       1984 ="5.7"     /* Calendar Year 1984  */
       1985 ="5.7"     /* Calendar Year 1985  */
       1986 ="5.7"     /* Calendar Year 1986  */
       1987 ="5.7"     /* Calendar Year 1987  */
       1988 ="6.06"     /* Calendar Year 1988  */
       1989 ="6.06"     /* Calendar Year 1989  */
       1990 ="6.2"     /* Calendar Year 1990  */
       1991 ="6.2"     /* Calendar Year 1991  */
       1992 ="6.2"     /* Calendar Year 1992  */
       1993 ="6.2"     /* Calendar Year 1993  */
       1994 ="6.2"     /* Calendar Year 1994  */
       1995 ="6.2"     /* Calendar Year 1995  */
       1996 ="6.2"     /* Calendar Year 1996  */
       1997 ="6.2"     /* Calendar Year 1997  */
       1998 ="6.2"     /* Calendar Year 1998  */
       1999 ="6.2"     /* Calendar Year 1999  */
       2000 ="6.2"     /* Calendar Year 2000  */
       2001 ="6.2"     /* Calendar Year 2001  */
       2002 ="6.2"     /* Calendar Year 2002  */
       2003 ="6.2"     /* Calendar Year 2003  */
       2004 ="6.2"     /* Calendar Year 2004  */
       other="ERROR";
 run;