Year	Number
1970	312359008
1971	322568320
1972	336172800
1973	359227360
1974	374695168
1975	390839776
1976	403131296
1977	413080832
1978	415854048
1979	425831648
1980	437364320
1981	446999200
1982	453938432
1983	459160096
1984	464616224
1985	468345824
1986	472220096
1987	474513024
1988	481691456
1989	488539968
1990	493172928
1991	499372224
1992	505569888
1993	515773600
1994	526863104
1995	535606432
1996	543821504
1997	555877888
1998	563559808
1999	567800256
2000	569585280
2001	569312000
2002	567885120
2003	572231168
2004	594924160
2005	598462464
2006	599084032
2007	608152640
2008	612417024
2009	614137024
2010	616674880
2011	620387456
2012	628695744
2013	635210240
2014	633631616
2015	638875200
2016	655296192
2017	661262656
2018	650697344
2019	659988992
2020	670813184
2021	676125696
2022	690466560