Year	Number
1996	17.3913040161133
1998	8.69565200805664
2000	4.89130449295044
2002	12.972972869873
2003	14.5945949554443
2004	8.95522403717041
2005	10.2941179275513
2006	8.33333301544189
2007	10.1941747665405
2008	16.5048542022705
2009	9.56937789916992
2010	7.65550231933594
2011	8.53080558776855
2012	9.00473976135254
2013	8.05687236785889
2014	5.76923084259033
2015	5.7142858505249
2016	7.14285707473755
2017	14.7619047164917
2018	19.0476188659668
2019	24.2857151031494
2020	30
2021	42.8571434020996
2022	43.3962249755859