Year	Number
1974	52256400
1975	59986400
1976	67689700
1977	74659100
1978	82379300
1979	92800400
1980	98439300
1981	104081600
1982	107946700
1983	110742700
1984	117638000
1985	123124500
1986	132087000
1987	141608900
1988	150979100
1989	153540600
1990	158617700
1991	287286700
1992	248184600
1993	226703300
1994	241665900
1995	259207144.1
1996	268196600
1997	277635300
1998	275513600
1999	280460100
2000	300232596
2001	329761381
2002	333136505
2003	344496771
2004	418837879
2005	454928628
2006	503331945
2007	568136085
2008	599377528
2009	652248785
2010	847345243.3888428
2011	945133069.9091768
2012	1025679462.9086864
2013	1118560621.5300386
2014	1218054843.4169543
2015	1336381806
2016	1454795041
2017	1613282378.1399999
2018	1762073618.053848
2019	1828194540.6500804
2020	889070883.383
2021	1016733964.182