Year	Number
1996	61.4130439758301
1998	56.5217399597168
2000	56.5217399597168
2002	41.0810813903809
2003	24.3243236541748
2004	20.8955230712891
2005	22.5490188598633
2006	19.6078433990479
2007	13.5922327041626
2008	16.5048542022705
2009	8.13397121429443
2010	7.65550231933594
2011	11.8483409881592
2012	12.3222751617432
2013	9.47867298126221
2014	5.76923084259033
2015	4.2857141494751
2016	3.80952382087708
2017	3.33333325386047
2018	1.90476191043854
2019	1.90476191043854
2020	2.85714292526245
2021	2.85714292526245
2022	3.77358484268188