Year	Number
1996	60.1092910766602
1998	63.9344253540039
2000	54.6448097229004
2002	48.1081085205078
2003	55.1351356506348
2004	57.2139320373535
2005	52.9411773681641
2006	53.6585350036621
2007	53.8834953308105
2008	52.4271850585938
2009	47.3684196472168
2010	51.6746406555176
2011	53.554500579834
2012	46.445499420166
2013	45.497631072998
2014	49.519229888916
2015	50.9523811340332
2016	63.8095245361328
2017	58.5714302062988
2018	52.8571434020996
2019	48.0952377319336
2020	43.3333320617676
2021	37.1428565979004
2022	41.9811325073242