Year Percent change 1984 -0.82 1985 3.581 1986 1.862 1987 3.655 1988 3.023 1989 6.357 1990 6.437 1991 4.536 1992 3.306 1993 4.2 1994 4.798 1995 7.509 1996 4.77 1997 7.48 1998 4.387 1999 0.58 2000 1.585 2001 0.567 2002 1.693 2003 1.803 2004 2.861 2005 5.828 2006 3.63 2007 3.019 2008 0.469 2009 3.501 2010 3.078 2011 3.533 2012 3.623 2013 1.672 2014 0.602 2015 -0.857 2016 1.126 2017 0.775 2018 0.355 2019 1.941 2020 0.595 2021 0.844 2022 1.933 2023 2 2024 2