Year	Number
2004	79644
2005	93362
2006	108248
2007	135613
2008	138926
2009	157299
2010	183919
2011	205978
2012	208105
2013	215223
2014	231592
2015	291901
2016	310393
2017	286383
2018	343661
2019	369887
2020	428779