/* From: superkey = YEAR
      To: dirate = Disability Insurance-Employee & Employer  */
 proc format;
 value dirate 
       1957 ="0.25"     /* Calendar YEAR 1957  */
       1958 ="0.25"     /* Calendar YEAR 1958  */
       1959 ="0.25"     /* Calendar YEAR 1959  */
       1960 ="0.25"     /* Calendar YEAR 1960  */
       1961 ="0.25"     /* Calendar YEAR 1961  */
       1962 ="0.25"     /* Calendar YEAR 1962  */
       1963 ="0.25"     /* Calendar YEAR 1963  */
       1964 ="0.25"     /* Calendar YEAR 1964  */
       1965 ="0.25"     /* Calendar YEAR 1965  */
       1966 ="0.35"     /* Calendar YEAR 1966  */
       1967 ="0.35"     /* Calendar YEAR 1967  */
       1968 ="0.475"     /* Calendar YEAR 1968  */
       1969 ="0.475"     /* Calendar YEAR 1969  */
       1970 ="0.55"     /* Calendar YEAR 1970  */
       1971 ="0.55"     /* Calendar YEAR 1971  */
       1972 ="0.55"     /* Calendar YEAR 1972  */
       1973 ="0.55"     /* Calendar YEAR 1973  */
       1974 ="0.575"     /* Calendar YEAR 1974  */
       1975 ="0.575"     /* Calendar YEAR 1975  */
       1976 ="0.575"     /* Calendar YEAR 1976  */
       1977 ="0.575"     /* Calendar YEAR 1977  */
       1978 ="0.775"     /* Calendar YEAR 1978  */
       1979 ="0.75"     /* Calendar YEAR 1979  */
       1980 ="0.56"     /* Calendar YEAR 1980  */
       1981 ="0.65"     /* Calendar YEAR 1981  */
       1982 ="0.825"     /* Calendar YEAR 1982  */
       1983 ="0.625"     /* Calendar YEAR 1983  */
       1984 ="0.5"     /* Calendar YEAR 1984  */
       1985 ="0.5"     /* Calendar YEAR 1985  */
       1986 ="0.5"     /* Calendar YEAR 1986  */
       1987 ="0.5"     /* Calendar YEAR 1987  */
       1988 ="0.53"     /* Calendar YEAR 1988  */
       1989 ="0.53"     /* Calendar YEAR 1989  */
       1990 ="0.6"     /* Calendar YEAR 1990  */
       1991 ="0.6"     /* Calendar YEAR 1991  */
       1992 ="0.6"     /* Calendar YEAR 1992  */
       1993 ="0.6"     /* Calendar YEAR 1993  */
       1994 ="0.94"     /* Calendar YEAR 1994  */
       1995 ="0.94"     /* Calendar YEAR 1995  */
       1996 ="0.94"     /* Calendar YEAR 1996  */
       1997 ="0.85"     /* Calendar YEAR 1997  */
       1998 ="0.85"     /* Calendar YEAR 1998  */
       1999 ="0.85"     /* Calendar YEAR 1999  */
       2000 ="0.9"     /* Calendar YEAR 2000  */
       2001 ="0.9"     /* Calendar YEAR 2001  */
       2002 ="0.9"     /* Calendar YEAR 2002  */
       2003 ="0.9"     /* Calendar YEAR 2003  */
       2004 ="0.9"     /* Calendar YEAR 2004  */
       other="ERROR";
 run;