Year	Number
1996	87.0967712402344
1998	81.2834243774414
2000	75
2002	67.1957702636719
2003	69.3121719360352
2004	64.0394058227539
2005	64.3902435302734
2006	62.4390258789063
2007	64.5631103515625
2008	64.5631103515625
2009	66.5071792602539
2010	61.4285697937012
2011	63.0331764221191
2012	60.1895751953125
2013	59.2417068481445
2014	52.4038467407227
2015	53.8095245361328
2016	55.7142868041992
2017	50.9523811340332
2018	52.3809509277344
2019	55.7142868041992
2020	58.5714302062988
2021	54.2857131958008
2022	51.4150924682617