Year	Number
1996	83.5
1998	76.6169128417969
2000	76.6169128417969
2002	74.6268692016602
2003	81.0945281982422
2004	86.538459777832
2005	82.6923065185547
2006	86.538459777832
2007	85.0961532592773
2008	85.5769195556641
2009	87.2037887573242
2010	88.6255950927734
2011	88.7323913574219
2012	89.2018814086914
2013	90.1408462524414
2014	86.6995086669922
2015	85.7142868041992
2016	83.7438430786133
2017	87.1921157836914
2018	89.3203887939453
2019	85.5072479248047
2020	88.4057998657227
2021	88.8888854980469
2022	88.8888854980469