Year	Number
1996	78.7234039306641
1998	78.1914901733398
2000	81.4814834594727
2002	69.3121719360352
2003	54.2713584899902
2004	49.5145645141602
2005	50.4854354858398
2006	66.1835784912109
2007	66.1835784912109
2008	61.0576934814453
2009	48.3412322998047
2010	60.1895751953125
2011	58.7677726745605
2012	59.7156410217285
2013	63.0331764221191
2014	59.523811340332
2015	61.4285697937012
2016	58.0952377319336
2017	60.476188659668
2018	50.4716987609863
2019	62.2641525268555
2020	61.3207550048828
2021	60.8490562438965
2022	62.2641525268555