Year	%
2000	4.74139
2001	5.609517
2002	7.761026
2003	8.042886
2004	5.284068
2005	4.526335
2006	5.549843
2007	5.474024
2008	4.656631
2009	4.407152
2010	5.009295
2011	4.757973
2012	4.597106
2013	4.846716
2014	5.564119
2015	5.645618
2016	5.429471
2017	5.542616
2018	4.909151
2019	4.914034
2020	1.790586
2021	2.910393