Year Percent change 2000 37.544 2001 37.725 2002 18.597 2003 -2.414 2004 -4.495 2005 8.939 2006 30.143 2007 23.998 2008 7.186 2009 11.469 2010 -7.747 2011 7.344 2012 -0.433 2013 9.787 2014 14.034 2015 13.14 2016 -13.319 2017 5.888 2018 18.659 2019 14.137 2020 1.983 2021 5.382 2022 2.319 2023 5.165 2024 3.209