Year	Number
1990	4992770
1991	4888752
1992	4793545
1993	4683464
1994	4604971
1995	4460778
1996	4338711
1997	4224907
1998	4112442
1999	3989609
2000	3877651
2001	3778642
2002	3668344
2003	3537114
2004	3419472
2005	3284720
2006	3159015
2007	3050133
2008	2960651
2009	2842563
2010	2740313
2011	2630912
2012	2532155
2013	2429613
2014	2314223
2015	2206794
2016	2117903
2017	2025968
2018	1942526
2019	1861547
2020	1778645
2021	1709126
2022	1648085