Year	Number
1991	119611
1993	130600
1994	133600
1997	111369
1998	112125
1999	107414
2000	104541
2001	105430
2002	105180
2003	102581
2004	99515
2005	104028
2006	102408
2007	100859
2008	99482
2009	98310
2010	98371
2011	98740
2012	98491
2013	99376
2015	124073
2016	125349
2017	126535
2018	129163
2019	108283
2020	111734
2021	116084