Year	Number
2004	33.9901466369629
2005	0
2006	0
2007	0.970873773097992
2008	5.82524251937866
2009	9.56937789916992
2010	21.9047622680664
2011	22.274881362915
2012	23.6966819763184
2013	24.6445503234863
2014	23.5576915740967
2015	16.6666660308838
2016	15.7142858505249
2017	29.5238094329834
2018	38.5714302062988
2019	26.1904754638672
2020	24.761905670166
2021	18.0952377319336
2022	19.8113212585449