Year	Number
1960	905061
1961	905061
1962	905061
1963	905061
1964	905061
1965	1145938
1966	1410176
1967	1410176
1968	1410176
1969	1410176
1970	2111723
1971	2141798
1972	2141798
1973	2141798
1974	2141798
1975	3485231
1976	3798557
1977	4179138
1978	4484061
1979	4834086
1980	4868037
1981	5885546.1
1982	6760147
1983	7337296
1984	7923140
1985	8758950
1986	9617460
1987	10359575
1988	11193132
1989	12361821
1990	13507975
1991	15181084
1992	17039463
1993	19538613
1994	22738197
1995	26569725
1996	31021948
1997	36132582
1998	42376937
1999	49873796
2000	58145408
2001	66835416
2002	72766430
2003	75784219
2004	87732308.5
2005	84449492
2006	85749493
2007	89683259
2008	93936003
2009	97140461
2010	90922754
2011	82751442
2012	79724881
2013	72417979
2014	68612436
2015	66662253
2016	64301283
2017	61384467
2018	61480496
2019	62905306
2020	63596948
2021	67737376
2022	66991789