Year	Number
1996	58.6021499633789
1998	56.6844902038574
2000	55.319149017334
2002	55.5555572509766
2003	58.201057434082
2004	49.2610855102539
2005	48.2926826477051
2006	55.6097564697266
2007	56.3106803894043
2008	58.2524261474609
2009	58.3732070922852
2010	56.1904754638672
2011	53.554500579834
2012	51.1848335266113
2013	51.1848335266113
2014	50
2015	50.476188659668
2016	48.0952377319336
2017	54.2857131958008
2018	46.6666679382324
2019	42.8571434020996
2020	44.761905670166
2021	27.1428565979004
2022	26.8867931365967