Year	Number
1996	56.9892463684082
1998	56.1497344970703
2000	57.9787216186523
2002	58.7301597595215
2003	59.7883605957031
2004	54.679801940918
2005	51.7073173522949
2006	53.1707305908203
2007	54.8543701171875
2008	57.7669906616211
2009	56.4593315124512
2010	60.476188659668
2011	63.0331764221191
2012	56.3981056213379
2013	54.9763031005859
2014	44.230770111084
2015	40.9523811340332
2016	39.523811340332
2017	35.7142868041992
2018	38.0952377319336
2019	40
2020	37.6190490722656
2021	34.2857131958008
2022	32.0754699707031