Year	Number
1996	82.7957000732422
1998	90.3743286132813
2000	89.361701965332
2002	88.3597869873047
2003	88.8888854980469
2004	89.1625595092773
2005	88.7804870605469
2006	84.8780517578125
2007	83.0097122192383
2008	83.4951477050781
2009	81.339714050293
2010	83.8095245361328
2011	83.4123229980469
2012	83.4123229980469
2013	79.620849609375
2014	73.0769195556641
2015	71.9047622680664
2016	68.0952377319336
2017	67.1428604125977
2018	72.8571395874023
2019	73.3333358764648
2020	75.7142868041992
2021	75.7142868041992
2022	75