Year Percent change 1980 8.905 1981 7.726 1982 1.103 1983 0.755 1984 6.29 1985 6.054 1986 13.751 1987 -3.114 1988 5.929 1989 8.954 1990 6.932 1991 -3.922 1992 -0.865 1993 -3.519 1994 4.093 1995 6.625 1996 3.872 1997 12.745 1998 3.549 1999 1.767 2000 6.373 2001 1.661 2002 -2.432 2003 1.571 2004 2.16 2005 11.012 2006 3.652 2007 5.841 2008 5.984 2009 -6.172 2010 8.374 2011 9.558 2012 -5.594 2013 16.525 2014 -11.918 2015 2.752 2016 6.215 2017 -1.512 2018 5.351 2019 2.443 2020 3.61 2021 4.914 2022 4.914 2023 5 2024 5