Year	Number
1996	68.0851058959961
1998	63.2978706359863
2000	69.8412704467773
2002	71.4285736083984
2003	59.2964820861816
2004	53.8834953308105
2005	55.8252410888672
2006	58.937198638916
2007	54.5893707275391
2008	50.961540222168
2009	60.6635055541992
2010	60.1895751953125
2011	63.5071105957031
2012	63.5071105957031
2013	64.9289093017578
2014	59.0476188659668
2015	56.6666679382324
2016	49.0476188659668
2017	49.0476188659668
2018	49.5283012390137
2019	51.4150924682617
2020	51.886791229248
2021	55.1886787414551
2022	51.886791229248