Year	Number
2004	235602
2005	258327
2006	260047
2007	297133
2008	322796
2009	327026
2010	386763
2011	341797
2012	353382
2013	368017
2014	379304
2015	404844
2016	432539
2017	478779
2018	508617
2019	553090
2020	624356