Year	Number
1993	9319
1994	9732
1995	11194
1996	8903
1999	8990
2000	9703
2001	9690
2007	8892
2008	8755
2009	8134
2010	8371
2011	7955
2013	7660
2016	6948
2017	6653
2018	6637
2019	6761
2020	6899.16015625
2021	7168.56982421875