Year	Number
1970	310441392
1971	331604904
1973	401571800
1974	421145200
1975	432276500
1976	471773396
1977	513269292
1978	576090004
1979	648400600
1980	641872888
1981	640619400
1982	654482108
1983	685101596
1984	732410288
1985	783198104
1986	842594296
1987	904838104
1988	953896012
1989	983208800
1990	1024976616
1991	1133228204
1992	1145436692
1993	1142265216
1994	1233233404
1995	1302891640.1
1996	1390963704
1997	1455104192
1998	1466961780
1999	1562256300
2000	1674064712
2001	1655230214
2002	1627404873
2003	1665309283
2004	1888695284
2005	1969590799
2006	2072413898
2007	2209136496
2008	2208218737
2009	2249728546
2010	2669414339.209942
2011	2833214050.1820683
2012	2943247912.564888
2013	3100200780.1726723
2014	3285080769.4758945
2015	3525115153
2016	3760774350
2017	4025616011.770311
2018	4293921426.1293054
2019	4455690101.028278
2020	1771894087.0245004
2021	2279974770.123