Year	Number
1996	54.773868560791
1998	48.5
2000	54.2288551330566
2002	52.2388076782227
2003	58.2089538574219
2004	50.480770111084
2005	51.1961708068848
2006	54.0669860839844
2007	53.1100463867188
2008	50.961540222168
2009	45.0236968994141
2010	46.445499420166
2011	39.4366188049316
2012	41.3145523071289
2013	41.7840385437012
2014	21.634614944458
2015	23.8095245361328
2016	17.1428565979004
2017	15.7142858505249
2018	20
2019	21.4285717010498
2020	21.4285717010498
2021	23.3333339691162
2022	24.5283012390137