Year	Number
1996	74.7311859130859
1998	72.7272720336914
2000	70.2127685546875
2002	71.9576721191406
2003	73.5449752807617
2004	71.9211807250977
2005	67.3170700073242
2006	70.7317047119141
2007	69.9029159545898
2008	61.6504859924316
2009	61.2440185546875
2010	63.8095245361328
2011	63.9810409545898
2012	69.1943130493164
2013	70.1421813964844
2014	70.6730804443359
2015	64.7619018554688
2016	61.4285697937012
2017	60.476188659668
2018	68.5714263916016
2019	66.1904754638672
2020	65.2380981445313
2021	63.8095245361328
2022	67.9245300292969