Year	Number
1996	2.12765955924988
1998	0.531914889812469
2000	1.05820107460022
2002	0
2003	0
2004	0.485436886548996
2005	0.485436886548996
2006	0.483091801404953
2007	2.4154589176178
2008	1.92307686805725
2009	1.89573454856873
2010	4.26540279388428
2011	5.21327018737793
2012	5.21327018737793
2013	6.63507127761841
2014	8.09523773193359
2015	9.0476188659668
2016	10.9523811340332
2017	11.9047622680664
2018	12.2641506195068
2019	10.3773584365845
2020	12.7358493804932
2021	10.3773584365845
2022	14.1509437561035