Year	Number
1996	0.537634432315826
1998	1.06951868534088
2000	0.531914889812469
2002	1.58730161190033
2003	5.29100513458252
2004	3.94088673591614
2005	8.78048801422119
2006	7.80487823486328
2007	6.7961163520813
2008	8.73786449432373
2009	10.0478467941284
2010	7.14285707473755
2011	8.05687236785889
2012	11.8483409881592
2013	11.3744077682495
2014	13.942307472229
2015	13.3333330154419
2016	12.8571424484253
2017	14.2857141494751
2018	26.6666660308838
2019	33.8095245361328
2020	28.5714282989502
2021	33.8095245361328
2022	37.7358474731445