Year	Number
1996	57.3770484924316
1998	50.2732238769531
2000	54.0983619689941
2002	53.5135116577148
2003	48.1081085205078
2004	46.2686576843262
2005	48.0392150878906
2006	45.8536567687988
2007	45.1456298828125
2008	45.6310691833496
2009	48.3253593444824
2010	41.6267929077148
2011	45.0236968994141
2012	46.9194297790527
2013	48.8151664733887
2014	50
2015	50.9523811340332
2016	55.238094329834
2017	51.4285697937012
2018	50.9523811340332
2019	52.3809509277344
2020	56.6666679382324
2021	67.1428604125977
2022	62.7358474731445