Year	Number
1996	52.7638206481934
1998	55
2000	58.7064666748047
2002	57.2139320373535
2003	59.2039794921875
2004	57.211540222168
2005	54.5454559326172
2006	49.7607650756836
2007	52.6315803527832
2008	55.769229888916
2009	49.2891006469727
2010	46.9194297790527
2011	46.478874206543
2012	48.8262901306152
2013	52.1126747131348
2014	56.730770111084
2015	57.6190490722656
2016	51.9047622680664
2017	49.0476188659668
2018	52.3809509277344
2019	51.4285697937012
2020	52.3809509277344
2021	52.3809509277344
2022	55.6603775024414