Year	Number of
1990	2115
1991	2356
1992	2435
1993	2428
1994	2335
1995	2226
1996	2098
1997	1969
1998	1862
1999	1765
2000	1704
2001	1639
2002	1606
2003	1573
2004	1556
2005	1535
2006	1507
2007	1483