Year	Number of
1990	9014
1991	9074
1992	9121
1993	9158
1994	9185
1995	9202
1996	9344
1997	9357
1998	9385
1999	9393
2000	9611
2001	10120
2002	10320
2003	9984
2004	10050
2005	10190
2006	10400
2007	10660