Year	Number
1996	10.638298034668
1998	16.4893608093262
2000	12.1693124771118
2002	23.280424118042
2003	10.5527639389038
2004	15.5339803695679
2005	16.990291595459
2006	22.2222213745117
2007	19.8067626953125
2008	24.0384616851807
2009	32.7014236450195
2010	32.2274894714355
2011	32.7014236450195
2012	36.9668235778809
2013	27.014217376709
2014	15.2380952835083
2015	21.4285717010498
2016	19.5238094329834
2017	15.2380952835083
2018	14.6226415634155
2019	19.8113212585449
2020	16.9811325073242
2021	20.2830181121826
2022	22.1698112487793