Year % 2002 7.32132479822521 2003 9.327539853527506 2004 7.947864517012565 2005 3.2239532566137514 2006 0.198551998196067 2007 0.918034767192961 2008 -0.3326191682117702 2009 7.732691915302582 2010 6.392146989700116 2011 4.880421151862903 2012 6.481564754560316 2013 7.276478303444024 2014 5.585299589545569 2015 4.363562764593134 2016 3.8534821626925773 2017 2.5554209538123676 2018 0.9715348561731469 2019 0.7960481072454614 2020 3.0078624200879216 2021 -1.679910699861019 2022 -7.55577424754142 2023 -1.3446069032283863