Year	Number
1996	78.1420745849609
1998	77.5956268310547
2000	77.5956268310547
2002	79.4594573974609
2003	81.0810775756836
2004	80.0995025634766
2005	75.9803924560547
2006	73.6585388183594
2007	77.6699066162109
2008	77.6699066162109
2009	74.1626815795898
2010	73.2057418823242
2011	73.9336471557617
2012	73.459716796875
2013	71.5639801025391
2014	72.5961532592773
2015	74.2857131958008
2016	75.7142868041992
2017	73.3333358764648
2018	72.8571395874023
2019	73.8095245361328
2020	69.523811340332
2021	72.8571395874023
2022	76.8867950439453