Year	Number
1996	23.1155776977539
1998	26.5
2000	5.97014904022217
2002	3.48258709907532
2003	2.48756217956543
2004	2.88461542129517
2005	0.478468894958496
2006	0.956937789916992
2007	1.43540668487549
2008	0.961538434028625
2009	0.947867274284363
2010	0.947867274284363
2011	0.938967108726501
2012	1.877934217453
2013	2.3474178314209
2014	3.8461537361145
2015	5.7142858505249
2016	8.09523773193359
2017	7.14285707473755
2018	8.09523773193359
2019	7.14285707473755
2020	7.61904764175415
2021	8.5714282989502
2022	11.3207550048828