Year	Number
1990	240645
1991	243464
1992	254357
1993	258033
1994	254854
1995	254736
1996	244785
1997	240116
1998	236576
1999	236400
2000	236201
2001	238722
2002	241672
2003	243501
2004	252936
2005	241178
2006	239239
2007	236857
2008	234294
2009	231179
2010	227969
2011	222473
2012	213740
2013	205023
2014	196604
2015	188183
2016	182458
2017	176710
2018	172730
2019	169688
2020	167330
2021	164606
2022	166855