Year	Number of
1990	1960
1991	1913
1992	1868
1993	1824
1994	1781
1995	1738
1996	1413
1997	1353
1998	1335
1999	1300
2000	1248
2001	1218
2002	1213
2003	1140
2004	1057
2005	965
2006	952
2007	891