Year	Number
1994	52584
1995	44585
1997	41813
1998	46872
1999	47260
2000	46777
2001	46475
2002	46497
2003	48393
2004	42643
2005	41230
2006	40580
2007	39706
2008	37844
2009	37108
2010	36675
2011	36716
2012	36719
2013	37054
2014	34955
2015	36029
2016	36632
2019	37681
2020	37552
2021	37490