Year	Number
1996	82.5136642456055
1998	81.9672164916992
2000	80.3278656005859
2002	74.0540542602539
2003	76.2162170410156
2004	75.6218872070313
2005	73.0392150878906
2006	71.7073135375977
2007	73.7864074707031
2008	76.2135925292969
2009	75.1196136474609
2010	78.4689025878906
2011	77.2511825561523
2012	78.1990509033203
2013	77.7251205444336
2014	82.6923065185547
2015	82.3809509277344
2016	78.0952377319336
2017	78.0952377319336
2018	76.1904754638672
2019	76.6666641235352
2020	73.8095245361328
2021	70.476188659668
2022	71.698112487793