Year	Number
1996	81.4070358276367
1998	81.5
2000	82.5870666503906
2002	81.592041015625
2003	70.1492538452148
2004	71.1538467407227
2005	68.4210510253906
2006	65.0717697143555
2007	67.464111328125
2008	66.3461532592773
2009	71.0900497436523
2010	71.5639801025391
2011	69.9530487060547
2012	72.7699508666992
2013	70.8920211791992
2014	76.4423065185547
2015	73.3333358764648
2016	73.3333358764648
2017	70.9523773193359
2018	70.9523773193359
2019	70.9523773193359
2020	70.9523773193359
2021	69.0476226806641
2022	67.4528274536133