Year	Number
1996	47.8723411560059
1998	27.659574508667
2000	57.6719589233398
2002	25.3968257904053
2003	52.7638206481934
2004	69.4174728393555
2005	61.1650466918945
2006	54.1062812805176
2007	47.3429946899414
2008	49.038459777832
2009	50.7108993530273
2010	53.554500579834
2011	58.2938385009766
2012	60.1895751953125
2013	59.7156410217285
2014	59.523811340332
2015	60.476188659668
2016	65.2380981445313
2017	64.7619018554688
2018	65.0943374633789
2019	60.8490562438965
2020	59.9056587219238
2021	58.0188674926758
2022	59.4339637756348