Year	Number of
1990	948
1991	900
1992	933
1993	1002
1994	1092
1995	1227
1996	1371
1997	1480
1998	1588
1999	1669
2000	1748
2001	1762
2002	1736
2003	1706
2004	1683
2005	1677
2006	1665
2007	1654