Year	Number
1960	43206
1961	43938
1962	44906
1963	46041
1964	47220
1965	48298
1966	49220
1967	49999
1968	50701
1969	51401
1970	52337
1971	53653
1972	55205
1973	56909
1974	58722
1975	60565
1976	62365
1977	64099
1978	65818
1979	67517
1980	69287
1981	71238
1982	73341
1983	75585
1984	78004
1985	80581
1986	83166
1987	85647
1988	87981
1989	90109
1990	91700
1991	92815
1992	93892
1993	95020
1994	96212
1995	97454
1996	98694
1997	99946
1998	101220
1999	102499
2000	103493
2001	104090
2002	104575
2003	105064
2004	105626
2005	106274
2006	106959
2007	107678
2008	108375
2009	108957
2010	109228
2011	109193
2012	109032
2013	108761
2014	108388
2015	107926
2016	107393
2017	106807
2018	106178
2019	105512
2020	105501
2021	106149
2022	106682
2023	107105