Year	Number
1996	73.5
1998	77.6119384765625
2000	76.6169128417969
2002	71.1442794799805
2003	72.6368179321289
2004	75.4807662963867
2005	73.0769195556641
2006	75
2007	73.5576934814453
2008	73.0769195556641
2009	70.6161117553711
2010	71.0900497436523
2011	71.8309860229492
2012	74.1784057617188
2013	75.1173706054688
2014	73.8916244506836
2015	72.9064025878906
2016	72.9064025878906
2017	73.3990173339844
2018	71.3592224121094
2019	71.4975814819336
2020	70.5314025878906
2021	66.6666641235352
2022	65.7004852294922