Year	Number
1996	22.0430107116699
1998	14.9732618331909
2000	8.51063823699951
2002	3.17460322380066
2003	7.40740728378296
2004	6.40394067764282
2005	0.97560977935791
2006	0.97560977935791
2007	1.94174754619598
2008	1.94174754619598
2009	0.478468894958496
2010	3.33333325386047
2011	3.79146909713745
2012	10.4265403747559
2013	9.00473976135254
2014	9.61538505554199
2015	10.4761905670166
2016	10.4761905670166
2017	11.9047622680664
2018	11.9047622680664
2019	9.5238094329834
2020	20.9523811340332
2021	14.7619047164917
2022	18.8679237365723