Year annual % 2001 1.78999857118836 2002 0.410001233829732 2003 1.61999985788088 2004 1.38000006901808 2005 4.1000007530757 2006 3.13000095849051 2007 2.99999676544999 2008 6.900002850503 2009 1.79999792995866 2010 2.77999992864359 2011 -1.22227291824896 2012 3.18400059113418 2013 1.3323001564294 2014 1.49869869811268 2015 -0.476487692925147 2016 -0.0472619991623873 2017 1.58549917027221 2018 2.58479965749217 2019 2.6259017492585 2020 2.17999840045206 2021 3.74280230326296 2022 3.98517145505097