Year	Number
1999	105806
2000	109668
2001	115554
2002	141756
2003	166951
2004	185186
2005	195451
2006	184419
2007	172898
2008	160890
2009	137151
2010	120926
2011	116773
2012	102651
2013	94550
2014	100954
2015	106604
2016	99207