Year	Number
1996	62.5
1998	54.347827911377
2000	59.2391319274902
2002	68.1081085205078
2003	67.5675659179688
2004	74.1293563842773
2005	75
2006	72.5490188598633
2007	71.3592224121094
2008	73.7864074707031
2009	73.2057418823242
2010	73.684211730957
2011	74.8815155029297
2012	73.459716796875
2013	70.1421813964844
2014	69.2307662963867
2015	67.1428604125977
2016	68.5714263916016
2017	70
2018	68.0952377319336
2019	73.3333358764648
2020	63.8095245361328
2021	68.5714263916016
2022	67.9245300292969