Year	Number
1996	71.0382537841797
1998	65.0273208618164
2000	63.3879776000977
2002	67.5675659179688
2003	70.8108139038086
2004	71.6417922973633
2005	71.0784301757813
2006	71.7073135375977
2007	69.9029159545898
2008	73.7864074707031
2009	74.6411514282227
2010	71.7703323364258
2011	70.1421813964844
2012	71.5639801025391
2013	70.6161117553711
2014	72.5961532592773
2015	71.9047622680664
2016	73.8095245361328
2017	74.7619018554688
2018	74.2857131958008
2019	73.3333358764648
2020	75.2380981445313
2021	74.7619018554688
2022	75