Year	Number
1990	1746870
1991	1769211
1992	1793183
1993	1818969
1994	1841710
1995	1858241
1996	1870130
1997	1874363
1998	1872211
1999	1870028
2000	1866045
2001	1855152
2002	1839668
2003	1821668
2004	1800778
2005	1780370
2006	1762741
2007	1745505
2008	1731938
2009	1722037
2010	1714406
2011	1708685
2012	1703078
2013	1694501
2014	1688908
2015	1682581
2016	1671107
2017	1659448
2018	1644509
2019	1627240
2020	1607625
2021	1585740
2022	1561320