Year	Number
1996	75.5
1998	74.1293563842773
2000	76.6169128417969
2002	82.5870666503906
2003	84.0796051025391
2004	88.461540222168
2005	87.9807662963867
2006	86.538459777832
2007	84.1346130371094
2008	85.5769195556641
2009	84.3601913452148
2010	81.9905242919922
2011	86.3849792480469
2012	88.2629089355469
2013	88.2629089355469
2014	89.1625595092773
2015	87.1921157836914
2016	84.7290649414063
2017	89.6551742553711
2018	89.3203887939453
2019	85.9903411865234
2020	88.4057998657227
2021	88.8888854980469
2022	88.8888854980469