Year	Number
1996	86.4321594238281
1998	84.5
2000	85.0746231079102
2002	85.572135925293
2003	88.5572128295898
2004	76.4423065185547
2005	70.8134002685547
2006	65.5502395629883
2007	69.3779907226563
2008	70.6730804443359
2009	63.5071105957031
2010	62.0853080749512
2011	61.5023460388184
2012	61.9718322753906
2013	63.8497657775879
2014	72.1153869628906
2015	71.9047622680664
2016	73.8095245361328
2017	67.6190490722656
2018	71.9047622680664
2019	70.9523773193359
2020	67.6190490722656
2021	70.9523773193359
2022	75.9433975219727