Year	Number
1970	500258.5
1971	522825.34375
1972	545704.375
1973	561592.5
1974	603110.125
1975	638691.125
1976	691891.8125
1977	743838.3125
1978	752694.3125
1979	772477
1980	837941.25
1981	870063.875
1982	932373.375
1983	1080206.75
1984	1136255.125
1985	1196055.75
1986	1247061.75
1987	1248590.375
1988	1293208.5
1989	1475451
1990	1407831.25
1991	1475306.125
1992	1503329.625
1993	1567179.125
1994	1603495.5
1995	1630143.625
1996	1653933.75
1997	1727104.625
1998	1748620
1999	1785487.375
2000	1828582.375
2001	1882790.375
2002	1917732.875
2003	1919579.625
2004	1952803.75
2005	2009596.25
2006	2038015.5
2007	2048268.875
2008	2078965.25
2009	2069980.875
2010	2084917.625
2011	2115500.5
2012	2189322.25
2013	2305489.75
2014	2370820
2015	2410083
2016	2428343.5
2017	2422581.75
2018	2454565.5
2019	2525518.75
2020	2492655.75
2021	2497449.75
2022	2441978