Year	Number
2004	119839
2005	129634
2006	136590
2007	147489
2008	144921
2009	134019
2010	129993
2011	132866
2012	140908
2013	158060
2014	164242
2015	191470
2016	183620
2017	181218
2018	207953
2019	228516
2020	269318
2021	299622