Year	Number
1996	9.5
1998	4.97512435913086
2000	5.47263669967651
2002	14.9253730773926
2003	24.3781089782715
2004	21.634614944458
2005	23.5576915740967
2006	25
2007	25
2008	21.634614944458
2009	14.2180099487305
2010	13.7440757751465
2011	15.962441444397
2012	16.4319248199463
2013	17.3708915710449
2014	21.674877166748
2015	22.660099029541
2016	23.645320892334
2017	24.630542755127
2018	25.2427177429199
2019	24.6376819610596
2020	23.6714973449707
2021	12.5603866577148
2022	6.28019332885742