Year	Number
1996	5.4347825050354
1998	5.97826099395752
2000	5.97826099395752
2002	4.86486482620239
2003	4.32432413101196
2004	12.93532371521
2005	6.86274528503418
2006	4.90196084976196
2007	2.42718458175659
2008	2.42718458175659
2009	24.8803825378418
2010	39.2344512939453
2011	37.9146919250488
2012	32.7014236450195
2013	36.0189590454102
2014	38.461540222168
2015	34.761905670166
2016	30.4761905670166
2017	29.5238094329834
2018	29.5238094329834
2019	30.4761905670166
2020	31.4285717010498
2021	26.6666660308838
2022	28.7735843658447