Year	Number
1996	5.37634420394897
1998	8.55614948272705
2000	5.85106372833252
2002	13.2275133132935
2003	2.11640214920044
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	0.952380955219269
2017	0.476190477609634
2018	0
2019	0.476190477609634
2020	1.90476191043854
2021	0.952380955219269
2022	0.471698105335236