Year	Number
1996	74.8633880615234
1998	77.5956268310547
2000	77.5956268310547
2002	76.7567596435547
2003	75.6756744384766
2004	75.6218872070313
2005	72.0588226318359
2006	80.4878082275391
2007	77.1844635009766
2008	72.8155364990234
2009	73.2057418823242
2010	68.8995208740234
2011	64.4549789428711
2012	63.0331764221191
2013	61.1374397277832
2014	62.980770111084
2015	62.8571434020996
2016	57.1428565979004
2017	64.7619018554688
2018	64.7619018554688
2019	64.2857131958008
2020	59.0476188659668
2021	57.1428565979004
2022	57.0754699707031