Year	Number
1996	54.8387107849121
1998	67.914436340332
2000	69.6808547973633
2002	75.1322784423828
2003	71.9576721191406
2004	70.9359588623047
2005	72.6829299926758
2006	78.5365829467773
2007	73.7864074707031
2008	79.1262130737305
2009	91.3875579833984
2010	89.0476226806641
2011	80.0947875976563
2012	81.0426559448242
2013	81.5165863037109
2014	80.288459777832
2015	77.1428604125977
2016	79.0476226806641
2017	73.8095245361328
2018	75.2380981445313
2019	78.5714263916016
2020	77.1428604125977
2021	78.0952377319336
2022	79.2452850341797