Year	Number
1996	6.5
1998	4.97512435913086
2000	3.98009943962097
2002	1.49253726005554
2003	0.995024859905243
2004	0.961538434028625
2005	1.44230771064758
2006	0.961538434028625
2007	0.961538434028625
2008	1.44230771064758
2009	1.89573454856873
2010	1.89573454856873
2011	0.938967108726501
2012	0
2013	0.469483554363251
2014	0
2015	0
2016	0.492610841989517
2017	0.985221683979034
2018	0.970873773097992
2019	0.966183602809906
2020	0.966183602809906
2021	1.44927537441254
2022	0.483091801404953