Year	Number
1990	1584
1991	1555
1992	1562
1993	1629
1994	1735
1995	1834
1996	1886
1997	1884
1998	1840
1999	1786
2000	1764
2001	1817
2002	1879
2003	1901
2004	1881
2005	1845
2006	1816
2007	1817
2008	1864
2009	1938
2010	1994
2011	1993
2012	1972
2013	1952
2014	1938
2015	1928
2016	1905
2017	1824
2018	1651
2019	1443
2020	1279
2021	1179
2022	1114
