Year	Number
1996	62.5
1998	59.7826080322266
2000	64.6739120483398
2002	62.7027015686035
2003	64.3243255615234
2004	65.6716384887695
2005	65.6862716674805
2006	63.7254905700684
2007	65.5339813232422
2008	66.019416809082
2009	72.2488021850586
2010	74.6411514282227
2011	73.459716796875
2012	73.459716796875
2013	73.9336471557617
2014	75
2015	71.4285736083984
2016	70.476188659668
2017	70.476188659668
2018	70.476188659668
2019	73.8095245361328
2020	68.5714263916016
2021	67.6190490722656
2022	63.6792449951172