Year	Number
1996	57.5268821716309
1998	63.6363639831543
2000	69.6808547973633
2002	70.8994674682617
2003	74.0740737915039
2004	73.8916244506836
2005	74.634147644043
2006	76.5853652954102
2007	74.271842956543
2008	73.7864074707031
2009	73.684211730957
2010	73.8095245361328
2011	76.3033142089844
2012	77.2511825561523
2013	80.0947875976563
2014	82.211540222168
2015	81.4285736083984
2016	80
2017	81.4285736083984
2018	87.1428604125977
2019	88.5714263916016
2020	88.5714263916016
2021	85.7142868041992
2022	89.1509399414063