Year	Number of
1990	120200
1991	118900
1992	117600
1993	116300
1994	114900
1995	113400
1996	110700
1997	107800
1998	104500
1999	86690
2000	76120
2001	75960
2002	72580
2003	70460
2004	68960
2005	66860
2006	67960
2007	67550