Year	Number
1990	1629
1991	1701
1992	1791
1993	1867
1994	1911
1995	1898
1996	1870
1997	1814
1998	1747
1999	1679
2000	1654
2001	1659
2002	1680
2003	1716
2004	1764
2005	1797
2006	1780
2007	1694
2008	1558
2009	1405
2010	1257
2011	1126
2012	1017
2013	922
2014	839
2015	770
2016	724
2017	702
2018	698
2019	707
2020	727
2021	756
2022	788