Year Percent change 2000 25.69 2001 27.86 2002 9.361 2003 6.23 2004 4.164 2005 1.8 2006 2.8 2007 7.7 2008 7.2 2009 1.5 2010 0.444 2011 3.646 2012 5.117 2013 0.304 2014 -0.303 2015 1.42 2016 1 2017 1.881 2018 1.652 2019 1.866 2020 1.76 2021 1.916 2022 2.007 2023 2.037 2024 2.045