Year	Number of
1990	2306
1991	2247
1992	2190
1993	2136
1994	2083
1995	2031
1996	1980
1997	1930
1998	1882
1999	1834
2000	1785
2001	1737
2002	1688
2003	1639
2004	1592
2005	1546
2006	1501
2007	1458