Year	Number
2002	16408
2003	81786
2004	76081
2005	67742
2006	64771
2007	61051
2008	62053
2009	66280
2010	67189
2011	75107
2012	87905
2013	98199
2014	108651
2015	149916
2016	157214
2017	161828
2018	167700
2019	161934
2020	160632
2021	155113