Year	Number
1996	39.6984939575195
1998	43
2000	40.7960205078125
2002	42.7860679626465
2003	42.7860679626465
2004	42.3076934814453
2005	39.2344512939453
2006	52.1531105041504
2007	46.8899536132813
2008	50.480770111084
2009	49.7630348205566
2010	46.9194297790527
2011	53.9906120300293
2012	53.521125793457
2013	53.051643371582
2014	20.1923084259033
2015	61.4285697937012
2016	58.0952377319336
2017	59.523811340332
2018	60.9523811340332
2019	53.8095245361328
2020	51.4285697937012
2021	52.3809509277344
2022	57.0754699707031