Year	Number
1996	53.8043479919434
1998	54.347827911377
2000	54.8913040161133
2002	63.2432441711426
2003	52.972972869873
2004	29.8507461547852
2005	26.9607849121094
2006	40.6862754821777
2007	32.5242729187012
2008	36.8932037353516
2009	34.9282302856445
2010	32.5358848571777
2011	35.5450248718262
2012	34.5971565246582
2013	34.5971565246582
2014	33.1730766296387
2015	33.8095245361328
2016	30.4761905670166
2017	29.5238094329834
2018	29.5238094329834
2019	28.0952377319336
2020	30
2021	30.4761905670166
2022	31.6037731170654