Year	Number of
1990	2357
1991	2297
1992	2236
1993	2174
1994	2113
1995	2051
1996	1989
1997	1927
1998	1867
1999	1809
2000	1755
2001	1705
2002	1656
2003	1610
2004	1565
2005	1521
2006	1478
2007	1436