Year	Number
1960	84072
1961	86708
1962	89689
1963	92946
1964	96301
1965	99747
1966	103354
1967	107071
1968	110899
1969	114854
1970	118931
1971	123119
1972	127426
1973	131861
1974	136435
1975	141111
1976	145903
1977	150807
1978	155741
1979	160629
1980	165433
1981	170173
1982	174899
1983	179514
1984	183946
1985	188237
1986	192405
1987	196437
1988	200267
1989	203792
1990	206944
1991	209701
1992	212061
1993	214078
1994	215773
1995	217154
1996	218261
1997	219126
1998	219768
1999	220208
2000	220577
2001	221096
2002	221894
2003	222964
2004	224224
2005	225753
2006	227695
2007	230113
2008	233059
2009	236677
2010	241095
2011	246233
2012	251936
2013	257693
2014	264052
2015	271859
2016	280813
2017	290841
2018	302103
2019	314716
2020	327423
2021	338624
2022	349807
2023	363808