Year	Number
1996	10.2150535583496
1998	2.67379689216614
2000	1.06382977962494
2002	2.64550256729126
2003	3.17460322380066
2004	3.94088673591614
2005	4.87804889678955
2006	9.7560977935791
2007	7.76699018478394
2008	16.5048542022705
2009	22.9665069580078
2010	26.6666660308838
2011	25.5924167633057
2012	21.3270149230957
2013	14.2180099487305
2014	15.384614944458
2015	14.7619047164917
2016	24.761905670166
2017	24.761905670166
2018	19.0476188659668
2019	19.5238094329834
2020	21.4285717010498
2021	16.6666660308838
2022	15.0943393707275