Year	Number
1996	53.5519142150879
1998	48.6338806152344
2000	57.9234962463379
2002	53.5135116577148
2003	46.4864883422852
2004	45.7711448669434
2005	48.529411315918
2006	55.6097564697266
2007	54.8543701171875
2008	54.8543701171875
2009	52.1531105041504
2010	52.6315803527832
2011	52.6066360473633
2012	53.0805702209473
2013	50.2369651794434
2014	43.269229888916
2015	44.2857131958008
2016	43.3333320617676
2017	45.7142868041992
2018	40.9523811340332
2019	39.523811340332
2020	45.238094329834
2021	44.761905670166
2022	50.4716987609863
