Year	Number
1978	1175074.875
1979	1213556.875
1980	1227832.75
1981	1253517.75
1982	1245318.125
1983	1272678.875
1984	1291867.75
1985	1389295.75
1986	1476251.25
1987	1578886
1988	1671988.625
1989	1753886.5
1990	1850398.5
1991	1911163.375
1992	1969709.875
1993	2032965.875
1994	2098046.75
1995	2186906.5
1996	2350800.75
1997	2496333
1998	2616213.25
1999	2773631.75
2000	2913917.25
2001	2952800.5
2002	3083158.75
2003	3302562.5
2004	3493661
2005	3729753.25
2006	3860036.5
2007	4197801.5
2008	4364365.5
2009	4476501
2010	4608590.5
2011	4637659.5
2012	4679751.5
2013	4638144.5
2014	4759530
2015	4907731.5
2016	5009146
2017	5178953.5
2018	5388630
2019	5525093
2020	5668917
2021	5905389.5
2022	6088366.5