Year	Number
2004	578
2005	719
2006	905
2008	2148
2009	2221
2010	2588
2011	2821
2012	2798
2013	2780
2014	2887
2015	2930
2016	3296
2017	3013
2018	3467
2019	3253
2020	2973
2021	3686