Year Percent change 1995 -7.032 1996 0 1997 1.513 1998 4.247 1999 -1.287 2000 3.348 2001 9.395 2002 -0.935 2003 4.635 2004 3.281 2005 7.196 2006 1.731 2007 2.2 2008 7.4 2009 2.177 2010 6.686 2011 4.855 2012 0.984 2013 3.475 2014 0 2015 1.986 2016 0.8 2017 2.893 2018 1.994 2019 1.826 2020 2.196 2021 1.873 2022 2.044 2023 1.973 2024 1.986