Year	Number
2004	211698
2005	211701
2006	256533
2007	308787
2008	322941
2009	262882
2010	336616
2011	372679
2012	410121
2013	496868
2014	502731
2015	540259
2016	579477
2017	633464
2018	757058
2019	770040
2020	710478