Year	Number
1996	46.7336692810059
1998	49
2000	49.2537307739258
2002	40.2985076904297
2003	43.2835807800293
2004	42.788459777832
2005	50.7177047729492
2006	46.8899536132813
2007	48.3253593444824
2008	49.038459777832
2009	45.497631072998
2010	44.0758285522461
2011	46.0093879699707
2012	45.0704231262207
2013	46.0093879699707
2014	52.4038467407227
2015	53.3333320617676
2016	62.3809509277344
2017	61.9047622680664
2018	59.0476188659668
2019	59.0476188659668
2020	54.2857131958008
2021	55.238094329834
2022	55.1886787414551