Year	Number
1996	38.7096786499023
1998	39.0374336242676
2000	39.361701965332
2002	41.2698402404785
2003	38.0952377319336
2004	32.5123138427734
2005	36.0975608825684
2006	26.3414630889893
2007	27.1844654083252
2008	25.2427177429199
2009	38.7559814453125
2010	32.3809509277344
2011	30.3317527770996
2012	33.6492881774902
2013	33.6492881774902
2014	34.6153831481934
2015	32.8571434020996
2016	32.3809509277344
2017	39.0476188659668
2018	34.761905670166
2019	28.5714282989502
2020	23.8095245361328
2021	26.6666660308838
2022	26.4150943756104