Year	Number
1996	62.3115577697754
1998	64
2000	64.1791076660156
2002	64.1791076660156
2003	64.6766204833984
2004	61.0576934814453
2005	56.4593315124512
2006	60.7655487060547
2007	59.3301429748535
2008	60.5769233703613
2009	62.0853080749512
2010	62.0853080749512
2011	62.4413146972656
2012	62.9107971191406
2013	60.0938949584961
2014	15.865385055542
2015	56.6666679382324
2016	52.3809509277344
2017	51.4285697937012
2018	50
2019	49.0476188659668
2020	48.0952377319336
2021	45.7142868041992
2022	48.5849075317383