Year	Number
1970	462041.84375
1971	481662.375
1972	505930.71875
1973	527380.25
1974	545837.625
1975	568372
1976	602528.75
1977	640989.1875
1978	664219.1875
1979	696497.5
1980	736572.125
1981	764372.875
1982	799752.375
1983	859120.875
1984	900029.5
1985	950157
1986	1000223.25
1987	1055826.375
1988	1098299.625
1989	1271456.625
1990	1194399
1991	1249328.375
1992	1262339.5
1993	1323316.75
1994	1359950.75
1995	1394664.25
1996	1433338.75
1997	1510056
1998	1524943.375
1999	1533505.5
2000	1592528.625
2001	1652924.25
2002	1704046.5
2003	1721442.5
2004	1769290.625
2005	1842723.75
2006	1895794.375
2007	1914160.125
2008	1967997.5
2009	1953319.375
2010	1985326
2011	2019202
2012	2107475
2013	2181188.5
2014	2271783.75
2015	2315355.5
2016	2337177.5
2017	2342545.75
2018	2395061.25
2019	2474878.75
2020	2469523
2021	2469676.25
2022	2413172.5