Year	Number of
1990	1335
1991	1677
1992	1947
1993	2164
1994	2329
1995	2444
1996	2532
1997	2600
1998	2682
1999	2769
2000	2844
2001	2919
2002	2991
2003	3056
2004	3118
2005	3192
2006	3269
2007	3357