Year	Number
1970	1187793.75
1971	1244424.875
1972	1279807
1973	1325648.25
1974	1373081.875
1975	1398936.25
1976	1419514.625
1977	1478535.125
1978	1532610.875
1979	1624784.5
1980	1664533.125
1981	1700090.625
1982	1767776.375
1983	1798516.625
1984	1877638.25
1985	1905464.5
1986	1945042.25
1987	1987931.25
1988	2063802.375
1989	2074884.25
1990	2156094.5
1991	2129747.25
1992	2193353.75
1993	2249801.25
1994	2320475.25
1995	2366777.25
1996	2438536.5
1997	2484723
1998	2468483.75
1999	2459581.25
2000	2505653.75
2001	2594910.5
2002	2641395
2003	2660121.25
2004	2642893.5
2005	2659693.5
2006	2581256
2007	2580219.5
2008	2604697
2009	2612088.25
2010	2618478.75
2011	2619562.5
2012	2633006
2013	2682351.5
2014	2681326.25
2015	2678981
2016	2677050.25
2017	2689629.5
2018	2698549.25
2019	2691530.25
2020	2671158.25
2021	2663100.25
2022	2680347.75