Year	Number
1996	65.0537643432617
1998	60.427806854248
2000	59.5744667053223
2002	64.5502624511719
2003	60.3174591064453
2004	56.1576347351074
2005	49.7560958862305
2006	47.8048782348633
2007	49.5145645141602
2008	49.5145645141602
2009	50.7177047729492
2010	49.523811340332
2011	46.9194297790527
2012	38.3886260986328
2013	44.5497627258301
2014	39.4230766296387
2015	42.3809509277344
2016	53.8095245361328
2017	45.238094329834
2018	56.1904754638672
2019	58.5714302062988
2020	58.5714302062988
2021	58.0952377319336
2022	54.2452812194824