Year	Number
1996	58.5106391906738
1998	60.1063842773438
2000	68.7830657958984
2002	51.8518524169922
2003	37.6884422302246
2004	34.4660186767578
2005	36.4077682495117
2006	53.6231880187988
2007	48.7922706604004
2008	47.1153831481934
2009	35.5450248718262
2010	46.445499420166
2011	45.497631072998
2012	45.971565246582
2013	50.7108993530273
2014	50
2015	53.8095245361328
2016	47.6190490722656
2017	48.5714302062988
2018	37.7358474731445
2019	54.7169799804688
2020	51.886791229248
2021	50.9433975219727
2022	51.886791229248