Year	Number
1994	0.4477772103991528
1995	0.7141294092506154
1996	1.1528466290837012
1997	1.2473859959883666
1998	0.5063836049461976
1999	0.8625170071379993
2000	0.9844187275281436
2001	1.83355067426537
2002	2.558200186937376
2003	3.1026586235919553
2004	3.283717672761707
2005	5.3245939418821555
2006	4.925104568008715
2007	5.277777651077549
2008	3.646383373375017
2009	5.204671741959404
2010	5.4348842836293985
2011	3.7007412918324105
2012	2.656534257456109
2013	2.2649715124628664
2014	1.173720148269069
2015	3.056736808288134
2016	3.1926415803765478
2017	3.2073654692264904
2018	3.0789632721508773
2019	3.4745080528221504
2020	4.875623928389898
2021	3.5729404238939426
2022	3.890621035743304
2023	5.090488352335549