Year	Number
1996	72.2826080322266
1998	68.4782638549805
2000	76.0869598388672
2002	73.5135116577148
2003	77.2972946166992
2004	78.6069641113281
2005	77.9411773681641
2006	78.4313735961914
2007	81.5533981323242
2008	79.6116485595703
2009	77.511962890625
2010	77.511962890625
2011	77.2511825561523
2012	76.3033142089844
2013	78.1990509033203
2014	75.961540222168
2015	78.5714263916016
2016	80
2017	78.5714263916016
2018	79.0476226806641
2019	75.7142868041992
2020	80.476188659668
2021	80.9523773193359
2022	76.8867950439453