Year	Number
1971	1486
1972	1486
1978	1558
1983	1354
1991	1773
1992	1761
1994	1815
1995	1838
1996	1893
1997	1919
1998	1956
1999	2022
2000	2008
2001	1985
2004	1831
2008	1852
2009	1837
2010	1820
2011	1760
2012	1766
2013	1753
2014	1752
2015	1959
2016	2001
2017	2018
2018	2018
2019	1989
2020	1971
2021	1932
2022	1956
2023	2024