Year Percent change 2000 4.993 2001 16.351 2002 19.334 2003 35.76 2004 31.677 2005 31.616 2006 64.826 2007 4.67 2008 6.754 2009 -4.415 2010 3.312 2011 6.02 2012 3.614 2013 3.132 2014 1.587 2015 2.31 2016 -1.548 2017 0.2 2018 -0.096 2019 2 2020 2 2021 2 2022 2 2023 2 2024 2