Year	Number
1990	1739851
1991	1749363
1992	1757514
1993	1773990
1994	1816775
1995	1799555
1996	1809289
1997	1807472
1998	1798982
1999	1783668
2000	1766514
2001	1739785
2002	1709009
2003	1680504
2004	1652497
2005	1624714
2006	1601462
2007	1577042
2008	1550979
2009	1528113
2010	1517359
2011	1489862
2012	1468300
2013	1447571
2014	1431946
2015	1421063
2016	1408165
2017	1394927
2018	1384352
2019	1375800
2020	1364330
2021	1353025
2022	1340629