Year	Number
1996	41.4893608093262
1998	37.2340431213379
2000	39.6825408935547
2002	26.9841270446777
2003	18.0904521942139
2004	15.0485439300537
2005	14.5631065368652
2006	11.5942029953003
2007	17.3913040161133
2008	26.4423084259033
2009	25.1184825897217
2010	15.1658763885498
2011	15.1658763885498
2012	18.9573459625244
2013	18.4834117889404
2014	19.5238094329834
2015	18.0952377319336
2016	23.3333339691162
2017	31.9047622680664
2018	28.7735843658447
2019	37.7358474731445
2020	28.7735843658447
2021	29.7169818878174
2022	25.4716987609863