Year	%
2008	2.738614252864
2009	3.59769335441226
2010	3.82773614018999
2011	3.4462055197927
2012	2.82635637565409
2013	2.29198045695359
2014	2.307449349322
2015	2.2540984821962
2016	1.9684661443707
2017	1.89419432594823
2018	1.84617175476304
2019	1.72062907242908
2020	1.5706679061413
2021	1.82876964140842
2022	1.80255600088239