Year	Number
1974	24637200
1975	27412300
1976	30153500
1977	32162100
1978	35456000
1979	40432600
1980	42895300
1981	45741200
1982	48636300
1983	48639000
1984	51251500
1985	55201400
1986	63012500
1987	68463800
1988	76750800
1989	76969300
1990	84784000
1991	218048600
1992	169668800
1993	149063500
1994	156855000
1995	173392100
1996	178597200
1997	184906800
1998	187098700
1999	199593400
2000	216639000
2001	237815480
2002	258940139
2003	271040893
2004	331760561
2005	347642313
2006	384756400
2007	444476143
2008	485748645
2009	572829124
2010	685670532.0621635
2011	761255355.3611093
2012	830069110.5352786
2013	907272787.6608473
2014	985686600.9226756
2015	1088963002
2016	1190947049
2017	1323673354
2018	1434010524.152057
2019	1516126027.0900002
2020	741617825.479
2021	823261040.4800001