Year	Number
1996	69.0217361450195
1998	64.6739120483398
2000	64.1304321289063
2002	71.3513488769531
2003	71.8918914794922
2004	72.6368179321289
2005	70.0980377197266
2006	70.0980377197266
2007	71.3592224121094
2008	72.8155364990234
2009	71.7703323364258
2010	72.7272720336914
2011	72.511848449707
2012	74.8815155029297
2013	75.3554534912109
2014	76.9230804443359
2015	78.5714263916016
2016	75.7142868041992
2017	75.7142868041992
2018	75.2380981445313
2019	74.2857131958008
2020	73.3333358764648
2021	78.0952377319336
2022	77.3584899902344