Year	Number
1990	241474
1991	231272
1992	224927
1993	217718
1994	209961
1995	206137
1996	201026
1997	199754
1998	199126
1999	199021
2000	196385
2001	194981
2002	192809
2003	189775
2004	196497
2005	182514
2006	177133
2007	169506
2008	161760
2009	154454
2010	147293
2011	141185
2012	136336
2013	132594
2014	129195
2015	125975
2016	122918
2017	118861
2018	115014
2019	111758
2020	108975
2021	106726
2022	106218