Year	Number
1970	40500
1971	107000
1972	136200
1973	140000
1974	129000
1975	112500
1976	112500
1977	112500
2002	124847
2003	164515
2004	162132
2005	168810
2006	256160
2007	307782
2008	211281
2009	183503
2010	277725.054297226
2011	499981.517962547
2012	508688.509386018
2013	615123.328003715
2014	1071179
2015	1103880
2016	1047394
2017	1305297
2018	1411059
2019	1429503.73046387
2020	609564.382
2021	50217.459