Year	%
2008	1.53566142380974
2009	2.05989758950483
2010	1.8552046455176
2011	1.81687656526001
2012	1.74515621736086
2013	1.74861174964302
2014	1.55295060069473
2015	1.66417841493179
2016	1.55323813386631
2017	2.05328160465289
2018	2.11773116690607
2019	2.39529605631216
2020	2.41359316382932
2021	2.25766935021348
2022	2.10881876900767