Year per person 1971 187.8 1972 198.2 1973 211.7 1974 224.1 1975 242.3 1976 272.2 1977 304 1978 349.2 1979 386.2 1980 430.1 1981 463.2 1982 479.3 1983 503.4 1984 488.8 1985 458.6 1986 443 1987 474.6 1988 525.3 1989 514 1990 491.7 1991 539.1 1992 597.9 1993 649.4 1994 603.1 1995 575 1996 582.3 1997 604.1 1998 632.7 1999 648.3 2000 644.9 2001 667.1 2002 683.6 2003 673.9 2004 679.5 2005 736 2006 797.9 2007 826.6 2008 969