Year	Number
2004	4.47761201858521
2005	40.1960792541504
2006	20
2007	15.5339803695679
2008	9.22330093383789
2009	12.4401912689209
2010	11.0047845840454
2011	12.3222751617432
2012	9.47867298126221
2013	10.9004735946655
2014	4.807692527771
2015	4.7619047164917
2016	6.1904764175415
2017	8.09523773193359
2018	10.9523811340332
2019	10.4761905670166
2020	11.9047622680664
2021	12.380952835083
2022	14.6226415634155