Year	Number
1960	86230
1961	87074
1962	88045
1963	89072
1964	90163
1965	90847
1966	91075
1967	91167
1968	91161
1969	91102
1970	91555
1971	92449
1972	93280
1973	94109
1974	94891
1975	96452
1976	97716
1977	98746
1978	100348
1979	101843
1980	103273
1981	104335
1982	106858
1983	108474
1984	108506
1985	110423
1986	112341
1987	113180
1988	114143
1989	115344
1990	116663
1991	120167
1992	121789
1993	123413
1994	125089
1995	126540
1996	127831
1997	129302
1998	130768
1999	132164
2000	133597
2001	135169
2002	136827
2003	138397
2004	140019
2005	141623
2006	142819
2007	143853
2008	144641
2009	145108
2010	145310
2011	145627
2012	146856
2013	149043
2014	152334
2015	156520
2016	160931
2017	166395
2018	173483
2019	181698
2020	186986
2021	189242
2022	193656
2023	200438