Year	Number
1980	94505
1981	89362
1982	90430
1983	92679
1984	93269
1985	93718
1986	92162
1987	93239
1988	96654
1989	91768
1990	86482
1991	86103
1992	94136
1993	96917
1994	98556
1995	91924
1996	103554
1997	98874
1998	102479
1999	114412
2000	119259
2001	107808
2002	104566
2003	103560
2004	103752
2005	101595
2006	100995
2007	111075
2008	112210
2009	110569
2010	110555
2011	109953
2012	108823
2013	108534
2014	108450
2015	99418
2016	107620
2017	105040