Year	Number
1996	67.8391952514648
1998	68
2000	70.6467666625977
2002	68.6567153930664
2003	70.6467666625977
2004	65.3846130371094
2005	61.2440185546875
2006	56.4593315124512
2007	59.3301429748535
2008	59.1346168518066
2009	57.8199043273926
2010	55.9241714477539
2011	54.9295768737793
2012	56.8075103759766
2013	57.7464790344238
2014	65.3846130371094
2015	63.8095245361328
2016	60
2017	59.0476188659668
2018	61.4285697937012
2019	60
2020	59.523811340332
2021	59.523811340332
2022	65.5660400390625