Year Percent change 2003 90.09 2004 -28.746 2005 16.106 2006 -32.78 2007 37.385 2008 51.53 2009 -21.25 2010 -0.544 2011 -12.113 2012 6.299 2013 9.797 2014 35.009 2015 13.666 2016 10.972 2017 18.355 2018 2.228 2019 8.215 2020 8.527 2021 9.333 2022 9.88 2023 8.695 2024 20.013