Year	Number
1996	4.89130449295044
1998	4.89130449295044
2000	4.89130449295044
2002	4.86486482620239
2003	14.5945949554443
2004	7.46268653869629
2005	9.80392169952393
2006	15.1960783004761
2007	18.4466018676758
2008	22.8155345916748
2009	27.2727279663086
2010	26.7942581176758
2011	28.4360198974609
2012	24.6445503234863
2013	24.6445503234863
2014	25.9615383148193
2015	25.238094329834
2016	28.5714282989502
2017	25.7142848968506
2018	26.1904754638672
2019	25.238094329834
2020	14.7619047164917
2021	26.1904754638672
2022	22.1698112487793