Year	Number
1996	89.9497451782227
1998	84.5
2000	84.5771179199219
2002	83.0845794677734
2003	83.0845794677734
2004	76.4423065185547
2005	73.2057418823242
2006	68.8995208740234
2007	71.291862487793
2008	71.1538467407227
2009	68.2464447021484
2010	68.2464447021484
2011	69.0140838623047
2012	69.4835662841797
2013	70.8920211791992
2014	75.4807662963867
2015	69.523811340332
2016	73.3333358764648
2017	70.476188659668
2018	68.5714263916016
2019	69.523811340332
2020	64.7619018554688
2021	67.1428604125977
2022	68.3962249755859