Year	Number
1996	17.7419357299805
1998	27.2727279663086
2000	27.1276588439941
2002	56.0846557617188
2003	51.3227500915527
2004	49.7536964416504
2005	43.4146347045898
2006	46.3414649963379
2007	41.7475738525391
2008	39.3203887939453
2009	44.4976081848145
2010	42.8571434020996
2011	49.7630348205566
2012	48.8151664733887
2013	48.8151664733887
2014	50.961540222168
2015	46.6666679382324
2016	41.4285697937012
2017	42.8571434020996
2018	43.3333320617676
2019	40.476188659668
2020	41.9047622680664
2021	33.8095245361328
2022	34.4339637756348