Year	Number
1996	8.60215091705322
1998	1.06951868534088
2000	0.531914889812469
2002	2.64550256729126
2003	4.23280429840088
2004	3.94088673591614
2005	10.2439022064209
2006	14.6341466903687
2007	12.62135887146
2008	13.1067962646484
2009	2.87081336975098
2010	0.952380955219269
2011	0.947867274284363
2012	0
2013	0
2014	0
2015	0
2016	0
2017	0
2018	0
2019	0
2020	0
2021	0
2022	0