Year	Number
1996	3.26086950302124
1998	7.60869550704956
2000	7.60869550704956
2002	3.78378367424011
2003	2.16216206550598
2004	0.995024859905243
2005	1.47058820724487
2006	0.980392158031464
2007	0.970873773097992
2008	0
2009	1.43540668487549
2010	2.39234447479248
2011	1.89573454856873
2012	1.89573454856873
2013	1.89573454856873
2014	3.36538457870483
2015	2.38095235824585
2016	2.38095235824585
2017	2.85714292526245
2018	2.85714292526245
2019	2.85714292526245
2020	4.2857141494751
2021	4.7619047164917
2022	4.71698093414307