Year	Number
1996	26
1998	32.8358192443848
2000	21.3930339813232
2002	26.3681583404541
2003	24.3781089782715
2004	21.634614944458
2005	30.769229888916
2006	40.8653831481934
2007	44.230770111084
2008	44.230770111084
2009	42.1800956726074
2010	36.4928894042969
2011	35.6807518005371
2012	32.8638496398926
2013	30.5164318084717
2014	35.9605903625488
2015	36.4532012939453
2016	39.4088668823242
2017	40.3940887451172
2018	37.3786392211914
2019	39.1304359436035
2020	40.5797119140625
2021	40.5797119140625
2022	38.6473426818848