/* From: superkey = Year
      To: hirate = Hospital Insurance-Employee & Employer  */
 proc format;
 value hirate 
       1966 ="0.35"     /* Calendar Year 1966  */
       1967 ="0.5"     /* Calendar Year 1967  */
       1968 ="0.6"     /* Calendar Year 1968  */
       1969 ="0.6"     /* Calendar Year 1969  */
       1970 ="0.6"     /* Calendar Year 1970  */
       1971 ="0.6"     /* Calendar Year 1971  */
       1972 ="0.6"     /* Calendar Year 1972  */
       1973 ="1"     /* Calendar Year 1973  */
       1974 ="0.9"     /* Calendar Year 1974  */
       1975 ="0.9"     /* Calendar Year 1975  */
       1976 ="0.9"     /* Calendar Year 1976  */
       1977 ="0.9"     /* Calendar Year 1977  */
       1978 ="1"     /* Calendar Year 1978  */
       1979 ="1.05"     /* Calendar Year 1979  */
       1980 ="1.05"     /* Calendar Year 1980  */
       1981 ="1.3"     /* Calendar Year 1981  */
       1982 ="1.3"     /* Calendar Year 1982  */
       1983 ="1.3"     /* Calendar Year 1983  */
       1984 ="1.3"     /* Calendar Year 1984  */
       1985 ="1.35"     /* Calendar Year 1985  */
       1986 ="1.45"     /* Calendar Year 1986  */
       1987 ="1.45"     /* Calendar Year 1987  */
       1988 ="1.45"     /* Calendar Year 1988  */
       1989 ="1.45"     /* Calendar Year 1989  */
       1990 ="1.45"     /* Calendar Year 1990  */
       1991 ="1.45"     /* Calendar Year 1991  */
       1992 ="1.45"     /* Calendar Year 1992  */
       1993 ="1.45"     /* Calendar Year 1993  */
       1994 ="1.45"     /* Calendar Year 1994  */
       1995 ="1.45"     /* Calendar Year 1995  */
       1996 ="1.45"     /* Calendar Year 1996  */
       1997 ="1.45"     /* Calendar Year 1997  */
       1998 ="1.45"     /* Calendar Year 1998  */
       1999 ="1.45"     /* Calendar Year 1999  */
       2000 ="1.45"     /* Calendar Year 2000  */
       2001 ="1.45"     /* Calendar Year 2001  */
       2002 ="1.45"     /* Calendar Year 2002  */
       2003 ="1.45"     /* Calendar Year 2003  */
       2004 ="1.45"     /* Calendar Year 2004  */
       other="ERROR";
 run;