Year	Number
1990	2357367
1991	2219824
1992	2011533
1993	1880578
1994	1765268
1995	1685101
1996	1577681
1997	1479409
1998	1385977
1999	1298013
2000	1231143
2001	1156445
2002	1073843
2003	978820
2004	946674
2005	866610
2006	820508
2007	782458
2008	782010
2009	715795
2010	680225
2011	645236
2012	622101
2013	593865
2014	562409
2015	531714
2016	505495
2017	485441
2018	454779
2019	424381
2020	397557
2021	370776
2022	350778