Year	Number
1996	62
1998	62.1890563964844
2000	59.2039794921875
2002	61.1940307617188
2003	65.1741256713867
2004	62.5
2005	63.461540222168
2006	68.2692337036133
2007	67.788459777832
2008	68.2692337036133
2009	68.2464447021484
2010	68.2464447021484
2011	67.6056365966797
2012	66.1971817016602
2013	66.1971817016602
2014	59.6059112548828
2015	50.2463035583496
2016	49.7536964416504
2017	48.7684745788574
2018	48.5436897277832
2019	50.7246360778809
2020	53.6231880187988
2021	50.2415466308594
2022	53.6231880187988