Year	Number
2000	51.243782043457
2002	50.7462692260742
2003	24.3781089782715
2004	22.5961532592773
2005	24.4019145965576
2006	22.9665069580078
2007	25.8373203277588
2008	32.211540222168
2009	33.6492881774902
2010	32.2274894714355
2011	36.1502342224121
2012	38.9671363830566
2013	35.6807518005371
2014	37.980770111084
2015	38.0952377319336
2016	39.523811340332
2017	36.6666679382324
2018	38.5714302062988
2019	39.0476188659668
2020	38.5714302062988
2021	42.3809509277344
2022	39.6226425170898