Year	Number of
1990	92130
1991	94690
1992	97070
1993	99350
1994	101700
1995	104100
1996	106700
1997	109500
1998	112200
1999	114900
2000	117500
2001	119800
2002	122000
2003	124100
2004	126200
2005	128400
2006	130700
2007	133100