/* From: superkey = YEAR
      To: asscb = Annual Social Security Contribution Base  */
 proc format;
 value asscb 
       1937 ="3000"     /* Calendar YEAR 1937  */
       1938 ="3000"     /* Calendar YEAR 1938  */
       1939 ="3000"     /* Calendar YEAR 1939  */
       1940 ="3000"     /* Calendar YEAR 1940  */
       1941 ="3000"     /* Calendar YEAR 1941  */
       1942 ="3000"     /* Calendar YEAR 1942  */
       1943 ="3000"     /* Calendar YEAR 1943  */
       1944 ="3000"     /* Calendar YEAR 1944  */
       1945 ="3000"     /* Calendar YEAR 1945  */
       1946 ="3000"     /* Calendar YEAR 1946  */
       1947 ="3000"     /* Calendar YEAR 1947  */
       1948 ="3000"     /* Calendar YEAR 1948  */
       1949 ="3000"     /* Calendar YEAR 1949  */
       1950 ="3000"     /* Calendar YEAR 1950  */
       1951 ="3600"     /* Calendar YEAR 1951  */
       1952 ="3600"     /* Calendar YEAR 1952  */
       1953 ="3600"     /* Calendar YEAR 1953  */
       1954 ="3600"     /* Calendar YEAR 1954  */
       1955 ="4200"     /* Calendar YEAR 1955  */
       1956 ="4200"     /* Calendar YEAR 1956  */
       1957 ="4200"     /* Calendar YEAR 1957  */
       1958 ="4200"     /* Calendar YEAR 1958  */
       1959 ="4800"     /* Calendar YEAR 1959  */
       1960 ="4800"     /* Calendar YEAR 1960  */
       1961 ="4800"     /* Calendar YEAR 1961  */
       1962 ="4800"     /* Calendar YEAR 1962  */
       1963 ="4800"     /* Calendar YEAR 1963  */
       1964 ="4800"     /* Calendar YEAR 1964  */
       1965 ="4800"     /* Calendar YEAR 1965  */
       1966 ="6600"     /* Calendar YEAR 1966  */
       1967 ="6600"     /* Calendar YEAR 1967  */
       1968 ="7800"     /* Calendar YEAR 1968  */
       1969 ="7800"     /* Calendar YEAR 1969  */
       1970 ="7800"     /* Calendar YEAR 1970  */
       1971 ="7800"     /* Calendar YEAR 1971  */
       1972 ="9000"     /* Calendar YEAR 1972  */
       1973 ="10800"     /* Calendar YEAR 1973  */
       1974 ="13200"     /* Calendar YEAR 1974  */
       1975 ="14100"     /* Calendar YEAR 1975  */
       1976 ="15300"     /* Calendar YEAR 1976  */
       1977 ="16500"     /* Calendar YEAR 1977  */
       1978 ="17700"     /* Calendar YEAR 1978  */
       1979 ="22900"     /* Calendar YEAR 1979  */
       1980 ="25900"     /* Calendar YEAR 1980  */
       1981 ="29700"     /* Calendar YEAR 1981  */
       1982 ="32400"     /* Calendar YEAR 1982  */
       1983 ="35700"     /* Calendar YEAR 1983  */
       1984 ="37800"     /* Calendar YEAR 1984  */
       1985 ="39600"     /* Calendar YEAR 1985  */
       1986 ="42000"     /* Calendar YEAR 1986  */
       1987 ="43800"     /* Calendar YEAR 1987  */
       1988 ="45000"     /* Calendar YEAR 1988  */
       1989 ="48000"     /* Calendar YEAR 1989  */
       1990 ="51300"     /* Calendar YEAR 1990  */
       1991 ="53400"     /* Calendar YEAR 1991  */
       1992 ="55500"     /* Calendar YEAR 1992  */
       1993 ="57600"     /* Calendar YEAR 1993  */
       1994 ="60600"     /* Calendar YEAR 1994  */
       1995 ="61200"     /* Calendar YEAR 1995  */
       1996 ="62700"     /* Calendar YEAR 1996  */
       1997 ="65400"     /* Calendar YEAR 1997  */
       1998 ="68400"     /* Calendar YEAR 1998  */
       1999 ="72600"     /* Calendar YEAR 1999  */
       2000 ="76200"     /* Calendar YEAR 2000  */
       2001 ="80400"     /* Calendar YEAR 2001  */
       2002 ="84900"     /* Calendar YEAR 2002  */
       2003 ="87000"     /* Calendar YEAR 2003  */
       2004 ="87900"     /* Calendar YEAR 2004  */
       other="ERROR";
 run;