Year Percent change 1990 -11.032 1991 28.8 1992 6.366 1993 10.657 1994 -3.386 1995 9.529 1996 2.8 1997 -2.724 1998 -0.7 1999 4.431 2000 -0.868 2001 -4.475 2002 -2.331 2003 6.325 2004 27.4 2005 -1.197 2006 17.564 2007 0.913 2008 19.562 2009 -6.908 2010 8.186 2011 -9.501 2012 1.23 2013 -9.203 2014 -3.911 2015 -4.564 2016 11.343 2017 8.233 2018 8.734 2019 1.095 2020 3.337 2021 4.874 2022 4.728 2023 4.48 2024 4.762