Year	Number
1996	87.2340393066406
1998	76.5957412719727
2000	79.8941802978516
2002	75.661376953125
2003	65.8291473388672
2004	66.019416809082
2005	78.1553421020508
2006	72.4637680053711
2007	69.0821228027344
2008	65.3846130371094
2009	69.6682434082031
2010	64.4549789428711
2011	63.9810409545898
2012	65.8767776489258
2013	65.4028472900391
2014	57.6190490722656
2015	59.0476188659668
2016	64.7619018554688
2017	64.7619018554688
2018	58.4905662536621
2019	59.4339637756348
2020	56.6037750244141
2021	53.301887512207
2022	55.6603775024414