Year	Number
1996	4.89130449295044
1998	6.52173900604248
2000	14.6739130020142
2002	11.8918914794922
2003	11.3513517379761
2004	10.945273399353
2005	8.33333301544189
2006	11.2745094299316
2007	9.70873832702637
2008	8.73786449432373
2009	11.4832534790039
2010	12.9186601638794
2011	15.6398105621338
2012	18.9573459625244
2013	21.8009471893311
2014	26.4423084259033
2015	25.7142848968506
2016	20.4761905670166
2017	17.1428565979004
2018	12.380952835083
2019	13.3333330154419
2020	11.9047622680664
2021	13.3333330154419
2022	17.4528293609619