Year	Number
1996	83
1998	83.5820922851563
2000	83.5820922851563
2002	75.1243743896484
2003	75.6218872070313
2004	76.9230804443359
2005	80.288459777832
2006	87.0192337036133
2007	86.538459777832
2008	87.0192337036133
2009	72.511848449707
2010	72.9857788085938
2011	69.0140838623047
2012	68.5446014404297
2013	67.6056365966797
2014	71.4285736083984
2015	59.1133003234863
2016	60.5911331176758
2017	63.0541877746582
2018	63.1067962646484
2019	61.3526573181152
2020	61.835750579834
2021	61.835750579834
2022	60.386474609375