Year	Number
1996	28.1914901733398
1998	30.319149017334
2000	41.798942565918
2002	44.9735450744629
2003	34.1708526611328
2004	34.4660186767578
2005	36.4077682495117
2006	36.7149772644043
2007	39.613525390625
2008	37.5
2009	33.6492881774902
2010	27.962085723877
2011	38.3886260986328
2012	36.9668235778809
2013	37.9146919250488
2014	43.3333320617676
2015	42.8571434020996
2016	43.8095245361328
2017	44.2857131958008
2018	14.6226415634155
2019	14.1509437561035
2020	25.4716987609863
2021	29.2452831268311
2022	33.4905662536621