Year Percent change 1996 1.255 1997 7.017 1998 1.871 1999 1.368 2000 7.604 2001 -2.97 2002 -3.271 2003 1.977 2004 7.909 2005 1.22 2006 1.051 2007 2.034 2008 0.153 2009 -11.334 2010 -3.339 2011 3.505 2012 -1.368 2013 4.165 2014 0.904 2015 -0.448 2016 0.483 2017 2.308 2018 1.2 2019 0.7 2020 0.9 2021 1.1 2022 1.1 2023 1.1 2024 1.1