Year	Number
1996	0.546448111534119
1998	0
2000	2.7322404384613
2002	6.48648643493652
2003	0.540540516376495
2004	0.995024859905243
2005	0
2006	0
2007	0
2008	0
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0.952380955219269
2016	0.952380955219269
2017	0.952380955219269
2018	0.952380955219269
2019	0.952380955219269
2020	1.42857146263123
2021	0.476190477609634
2022	0.943396210670471