Year	Number
1960	50199
1961	57026
1962	64792
1963	73617
1964	83658
1965	95035
1966	107978
1967	115735
1968	123197
1969	131118
1970	139560
1971	148545
1972	158123
1973	168289
1974	179125
1975	190658
1976	202951
1977	215999
1978	226314
1979	236059
1980	246238
1981	256825
1982	267884
1983	279419
1984	291467
1985	304000
1986	317090
1987	330743
1988	343611
1989	356649
1990	370199
1991	384265
1992	398886
1993	414020
1994	429751
1995	446080
1996	463052
1997	480622
1998	498883
1999	513955.00000000006
2000	528689
2001	543802
2002	559370
2003	575383
2004	591877
2005	608797
2006	626225
2007	644152
2008	670822
2009	700189
2010	730841
2011	762835
2012	796230
2013	831086
2014	867469
2015	905444
2016	945082
2017	986455
2018	1029638.9999999999
2019	1074695
2020	1121720
2021	1170870
2022	1222325
2023	1276316