Year	Number
2004	38314
2005	41680
2006	45161
2007	54610
2008	56592
2009	59277
2010	68928
2011	71091
2012	76010
2013	77267
2014	81101
2015	90684
2016	98739
2017	108590
2018	109355
2019	112970
2020	118329
2021	142012