Year	Number
1996	74.5
1998	72.1393051147461
2000	77.6119384765625
2002	74.1293563842773
2003	79.6019897460938
2004	88.9423065185547
2005	85.5769195556641
2006	86.538459777832
2007	84.1346130371094
2008	83.6538467407227
2009	81.9905242919922
2010	81.9905242919922
2011	82.1596221923828
2012	85.9154891967773
2013	85.9154891967773
2014	79.8029556274414
2015	82.7586212158203
2016	82.7586212158203
2017	86.6995086669922
2018	88.3495178222656
2019	81.6425094604492
2020	79.7101440429688
2021	80.6763305664063
2022	78.7439651489258