Year	Number
1996	78.6885223388672
1998	78.6885223388672
2000	75.4098358154297
2002	81.0810775756836
2003	75.6756744384766
2004	75.6218872070313
2005	75.4901962280273
2006	78.5365829467773
2007	82.0388336181641
2008	82.5242691040039
2009	81.8181838989258
2010	82.2966537475586
2011	83.4123229980469
2012	80.0947875976563
2013	78.1990509033203
2014	74.038459777832
2015	71.9047622680664
2016	71.9047622680664
2017	70.476188659668
2018	71.4285736083984
2019	71.4285736083984
2020	68.5714263916016
2021	64.2857131958008
2022	62.7358474731445