Year	Number
1990	8869350
1991	8652676
1992	8385827
1993	8199194
1994	8059810
1995	7882560
1996	7702313
1997	7508147
1998	7312225
1999	7116391
2000	6950703
2001	6776585
2002	6575223
2003	6356099
2004	6171622
2005	5970081
2006	5788775
2007	5630039
2008	5495913
2009	5342796
2010	5204241
2011	5054539
2012	4927108
2013	4789825
2014	4641785
2015	4502563
2016	4384107
2017	4260488
2018	4136699
2019	4014557
2020	3893719
2021	3788127
2022	3697047