Year	Number
1970	975803.5
1971	954895.625
1972	1006135
1973	1049947.125
1974	1083361
1975	1166128.875
1976	1221866.5
1977	1266905.625
1978	1295260.75
1979	1321601.875
1980	1354338.875
1981	1348697.875
1982	1370951.875
1983	1403493.875
1984	1427371.875
1985	1460683.5
1986	1489487.375
1987	1507343.875
1988	1534608.625
1989	1553945.625
1990	1613755.5
1991	1687297.875
1992	1734231.25
1993	1773634.375
1994	1836036
1995	1924634.75
1996	1991247
1997	2078631.25
1998	2057207.75
1999	2095336.5
2000	2154998.75
2001	2222156.5
2002	2290890.5
2003	2349536.25
2004	2440049.75
2005	2502433
2006	2563055.75
2007	2613679.25
2008	2648539.25
2009	2700365.25
2010	2736094.5
2011	2781180
2012	2803886.25
2013	2816323.5
2014	2859257.25
2015	2891816.25
2016	2944195.5
2017	2986587
2018	3033357.25
2019	3099388.25
2020	3139720.25
2021	3193118.75
2022	3240640