Year per person 1960 66.54 1961 75.15 1962 84.77 1963 97.66 1964 112.6 1965 128.2 1966 146.4 1967 162.4 1968 173.8 1969 202.1 1970 226.4 1971 259.5 1972 301.2 1973 343.9 1974 335 1975 369.3 1976 409 1977 445.9 1978 506.9 1979 537.2 1980 586.7 1981 606.9 1982 645.2 1983 688 1984 732.5 1985 774.6 1986 784.6 1987 856.4 1988 878.5 1989 911.7 1990 896 1991 977.1 1992 1028 1993 1010 1994 1048 1995 1101 1996 1169 1997 1183 1998 1216 1999 1280 2000 1346 2001 1375 2002 1488 2003 1548 2004 1583 2005 1582 2006 1654 2007 1678 2008 1691