Year	Number
1996	79.8994979858398
1998	82.5
2000	71.6417922973633
2002	77.6119384765625
2003	73.1343307495117
2004	70.6730804443359
2005	70.8134002685547
2006	68.8995208740234
2007	69.3779907226563
2008	71.6346130371094
2009	74.407585144043
2010	73.459716796875
2011	69.0140838623047
2012	72.3004684448242
2013	72.7699508666992
2014	76.9230804443359
2015	74.7619018554688
2016	74.7619018554688
2017	75.2380981445313
2018	74.7619018554688
2019	75.7142868041992
2020	75.2380981445313
2021	73.3333358764648
2022	74.0566024780273