Year	Number
1996	38.6934661865234
1998	45
2000	56.7164192199707
2002	57.7114410400391
2003	54.2288551330566
2004	52.8846168518066
2005	57.8947372436523
2006	60.7655487060547
2007	57.8947372436523
2008	59.6153831481934
2009	68.2464447021484
2010	67.2985763549805
2011	64.7887344360352
2012	69.4835662841797
2013	70.8920211791992
2014	72.5961532592773
2015	67.6190490722656
2016	68.0952377319336
2017	65.2380981445313
2018	67.1428604125977
2019	64.2857131958008
2020	74.7619018554688
2021	70.9523773193359
2022	70.2830200195313