Year	per person
1971	98.22
1972	104.4
1973	199
1974	226
1975	284.5
1976	342.9
1977	418.2
1978	483.1
1979	569.3
1980	543.9
1981	520.4
1982	498.6
1983	478.5
1984	460
1985	453.6
1986	601
1987	731.2
1988	781.1
1989	759
1990	738.3
1991	739.3
1992	759.2
1993	763.2
1994	727.5
1995	707
1996	677.8
1997	876.9
1998	1178
1999	1136
2000	1166
2001	1280
2002	670.3
2003	679.3
2004	717
2005	1229
2006	1364
2007	1174
2008	846