Year	Number
1990	1765
1991	1788
1992	1814
1993	1788
1994	1799
1995	1812
1996	1800
1997	1810
1998	1816
1999	1809
2000	1784
2001	1767
2002	1745
2003	1727
2004	1724
2005	1707
2006	1696
2007	1681
2008	1674
2009	1678
2010	1653
2011	1651
2012	1646
2013	1661
2014	1684
2015	1735
2016	1775
2017	1790
2018	1782
2019	1791
2020	1754
2021	1730
2022	1702