Year	Number
1996	35.1063842773438
1998	17.5531921386719
2000	36.5079383850098
2002	32.8042335510254
2003	21.608039855957
2004	33.980583190918
2005	22.8155345916748
2006	37.6811599731445
2007	39.1304359436035
2008	54.8076934814453
2009	63.0331764221191
2010	53.0805702209473
2011	53.0805702209473
2012	51.6587677001953
2013	42.6540298461914
2014	20.9523811340332
2015	30
2016	24.2857151031494
2017	20
2018	41.5094337463379
2019	33.0188674926758
2020	30.1886787414551
2021	25.943395614624
2022	26.8867931365967