Year	Number
1996	0
1998	0
2000	0
2002	2.98507452011108
2003	0.497512429952621
2004	0
2005	0.961538434028625
2006	1.92307686805725
2007	1.92307686805725
2008	0.961538434028625
2009	0
2010	0
2011	0
2012	0
2013	0
2014	0
2015	0
2016	0.985221683979034
2017	0.985221683979034
2018	0.970873773097992
2019	0.966183602809906
2020	0.483091801404953
2021	0
2022	0.483091801404953