Year	Number
1990	2036982
1991	2058134
1992	2078599
1993	2108227
1994	2137508
1995	2172272
1996	2197928
1997	2198802
1998	2190556
1999	2187245
2000	2182826
2001	2166952
2002	2144952
2003	2123584
2004	2100149
2005	2074902
2006	2056047
2007	2036605
2008	2017182
2009	2004998
2010	1997884
2011	1985528
2012	1973244
2013	1959387
2014	1949905
2015	1940856
2016	1929213
2017	1916731
2018	1902611
2019	1887806
2020	1872807
2021	1857609
2022	1839807