Year	Number
1996	0
1998	0
2000	0
2002	0
2003	0
2004	0
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0.476190477609634
2016	0
2017	0
2018	0
2019	1.42857146263123
2020	0
2021	4.7619047164917
2022	4.71698093414307