Year	Number
1990	873
1991	888
1992	903
1993	916
1994	929
1995	940
1996	948
1997	954
1998	1736
1999	956
2000	953
2001	949
2002	943
2003	938
2004	933
2005	931
2006	930
2007	930
2008	933
2009	936
2010	939
2011	940
2012	940
2013	939
2014	938
2015	936
2016	933
2017	927
2018	918
2019	903
2020	888
2021	870
2022	851