Year Percent change 1994 52.983 1995 19.948 1996 1.833 1997 15.941 1998 9.095 1999 -11.7 2000 -8.143 2001 13.631 2002 15.58 2003 17.785 2004 16.558 2005 14.771 2006 24.465 2007 13.819 2008 -7.046 2009 -32.552 2010 23.227 2011 29.181 2012 9.428 2013 -0.422 2014 2.988 2015 -1.793 2016 5.311 2017 3.348 2018 4.342 2019 4.8 2020 4.9 2021 4.9 2022 4.9 2023 5 2024 5.1