Year	Number
1996	30.6010932922363
1998	33.8797798156738
2000	45.9016380310059
2002	41.0810813903809
2003	44.3243255615234
2004	45.2736320495605
2005	46.0784301757813
2006	35.6097564697266
2007	39.3203887939453
2008	47.0873794555664
2009	44.9760780334473
2010	42.5837326049805
2011	45.0236968994141
2012	43.1279602050781
2013	41.2322273254395
2014	43.269229888916
2015	36.6666679382324
2016	38.0952377319336
2017	39.523811340332
2018	38.5714302062988
2019	35.238094329834
2020	38.5714302062988
2021	36.1904754638672
2022	33.4905662536621