Year	Number
1996	53.2258071899414
1998	53.4759368896484
2000	57.9787216186523
2002	73.0158767700195
2003	69.8412704467773
2004	67.4876861572266
2005	60
2006	63.4146347045898
2007	60.6796112060547
2008	59.7087364196777
2009	64.5932998657227
2010	61.4285697937012
2011	63.9810409545898
2012	63.0331764221191
2013	62.5592422485352
2014	62.019229888916
2015	60
2016	58.0952377319336
2017	56.1904754638672
2018	58.0952377319336
2019	58.5714302062988
2020	59.0476188659668
2021	54.761905670166
2022	54.7169799804688