Year	Number of
1990	1787
1991	1788
1992	1791
1993	1795
1994	1801
1995	1810
1996	1839
1997	1851
1998	1858
1999	1860
2000	1764
2001	1525
2002	1473
2003	1526
2004	1406
2005	1431
2006	1455
2007	1493