Year	Number
1996	63.440860748291
1998	64.1711196899414
2000	65.9574432373047
2002	69.3121719360352
2003	62.4338607788086
2004	60.5911331176758
2005	62.926830291748
2006	62.926830291748
2007	65.0485458374023
2008	64.5631103515625
2009	66.5071792602539
2010	66.1904754638672
2011	64.4549789428711
2012	63.9810409545898
2013	61.6113739013672
2014	59.1346168518066
2015	58.0952377319336
2016	60
2017	62.3809509277344
2018	59.0476188659668
2019	57.1428565979004
2020	48.5714302062988
2021	54.2857131958008
2022	52.3584899902344