Year annual % 2007 4.406290055578282 2008 2.3337302768693178 2009 -5.6053364728789745 2010 1.6858775153510237 2011 2.2605025637513165 2012 2.466043312405276 2013 -0.29354578323651026 2014 0.09352839791641543 2015 2.148422722778136 2016 0.5406974866173755 2017 3.2087037087109422 2018 2.0083335120709904 2019 2.9961042649011347 2020 -7.041866205686304 2021 5.445851905214894