Year	Number
1996	26.3440856933594
1998	34.2245979309082
2000	32.9787216186523
2002	2.64550256729126
2003	10.0529098510742
2004	13.3004922866821
2005	17.0731716156006
2006	21.9512195587158
2007	21.8446598052979
2008	27.1844654083252
2009	27.7511959075928
2010	24.2857151031494
2011	26.0663509368896
2012	27.488151550293
2013	21.3270149230957
2014	15.384614944458
2015	14.2857141494751
2016	13.3333330154419
2017	17.619047164917
2018	15.7142858505249
2019	16.1904754638672
2020	28.5714282989502
2021	31.9047622680664
2022	21.2264156341553