Year Percent change 2000 -6.211 2001 6.19 2002 -0.948 2003 -10.504 2004 -9.794 2005 -6.81 2006 20.324 2007 54.31 2008 35.692 2009 11.412 2010 -46.149 2011 86.411 2012 5.416 2013 19.367 2014 44.762 2015 9.605 2016 3.154 2017 16.867 2018 0.299 2019 5.396 2020 5.038 2021 5.99 2022 3.663 2023 5.512 2024 4.198