571 Medicare
1947 0
1948 0
1949 0
1950 0
1951 0
1952 0
1953 0
1954 0
1955 0
1956 0
1957 0
1958 0
1959 0
1960 0
1961 0
1962 0
1963 0
1964 0
1965 0
1966 290
1967 12,051
1968 19,677
1969 23,060
1970 23,851
1971 24,206
1972 26,120
1973 26,923
1974 30,102
1975 36,431
1976 41,851
1977 47,562
1978 52,935
1979 56,827
1980 63,286
1981 70,444
1982 78,390
1983 84,545
1984 89,848
1985 98,952
1986 102,275
1987 107,405
1988 111,201
1989 115,790
1990 124,763
1991 130,007
1992 143,596
1993 154,990
1994 168,473
1995 182,061
1996 194,007
1997 205,444
1998 205,674
1999 201,104
2000 203,457
2001 221,838