Year	Number
1996	74.8633880615234
1998	75.4098358154297
2000	73.7704925537109
2002	71.8918914794922
2003	70.8108139038086
2004	68.6567153930664
2005	67.1568603515625
2006	68.7804870605469
2007	72.3300933837891
2008	73.7864074707031
2009	71.7703323364258
2010	70.3349304199219
2011	71.0900497436523
2012	71.0900497436523
2013	69.1943130493164
2014	71.1538467407227
2015	71.9047622680664
2016	71.4285736083984
2017	69.523811340332
2018	74.2857131958008
2019	72.8571395874023
2020	73.8095245361328
2021	77.6190490722656
2022	73.1132049560547