Year	Number
1996	56.9892463684082
1998	46.5240631103516
2000	49.4680862426758
2002	51.3227500915527
2003	52.9100532531738
2004	53.694580078125
2005	55.1219520568848
2006	56.5853652954102
2007	56.7961158752441
2008	57.7669906616211
2009	55.5023918151855
2010	53.3333320617676
2011	54.028434753418
2012	52.1327018737793
2013	54.502368927002
2014	55.288459777832
2015	56.6666679382324
2016	57.1428565979004
2017	56.1904754638672
2018	55.7142868041992
2019	55.238094329834
2020	59.0476188659668
2021	59.0476188659668
2022	62.2641525268555