Year Percent change 1993 -15.8 1994 -20.993 1995 36.038 1996 25.418 1997 46.34 1998 -15.846 1999 17.938 2000 12.533 2001 8.15 2002 8.745 2003 10.8 2004 15.2 2005 -1.2 2006 8.3 2007 5.2 2008 1.5 2009 -11.5 2010 2.8 2011 33 2012 11 2013 -17.4 2014 2.2 2015 2.6 2016 0.3 2017 8.401 2018 1.474 2019 -0.66 2020 7.051 2021 4.026 2022 1.752 2023 1.782 2024 1.788