Year	Number of
1990	1085
1991	1156
1992	1174
1993	1206
1994	1331
1995	1589
1996	1972
1997	2333
1998	2691
1999	2852
2000	2999
2001	3034
2002	3027
2003	2938
2004	2889
2005	2887
2006	2885
2007	2884