Year	Number
1996	10.7526884078979
1998	1.06951868534088
2000	0.531914889812469
2002	2.64550256729126
2003	5.8201060295105
2004	13.3004922866821
2005	13.1707315444946
2006	16.0975608825684
2007	12.62135887146
2008	13.1067962646484
2009	10.0478467941284
2010	10.9523811340332
2011	10.9004735946655
2012	9.95260620117188
2013	7.5829381942749
2014	6.73076915740967
2015	7.61904764175415
2016	8.09523773193359
2017	9.5238094329834
2018	9.5238094329834
2019	7.14285707473755
2020	9.5238094329834
2021	8.09523773193359
2022	7.07547187805176