Year	Number
1996	39.6984939575195
1998	43
2000	40.7960205078125
2002	42.7860679626465
2003	6.96517419815063
2004	36.538459777832
2005	56.4593315124512
2006	55.9808616638184
2007	54.0669860839844
2008	47.1153831481934
2009	41.7061614990234
2010	46.9194297790527
2011	45.0704231262207
2012	42.7230033874512
2013	45.0704231262207
2014	33.1730766296387
2015	31.4285717010498
2016	45.7142868041992
2017	46.6666679382324
2018	50.9523811340332
2019	52.3809509277344
2020	51.4285697937012
2021	47.1428565979004
2022	54.2452812194824