Year	per person
1983	461.1
1984	563.6
1985	576.4
1986	585.8
1987	601.7
1988	687.7
1989	709.3
1990	729.7
1991	744.8
1992	765.4
1993	765
1994	1023
1995	1062
1996	1140
1997	1207
1998	1297
1999	1395
2000	1434
2001	1378
2002	1449
2003	1592
2004	1550
2005	1564
2006	1647
2007	1638
2008	1599