Year Percent change 1994 11.796 1995 7.402 1996 5.462 1997 6.258 1998 5.889 1999 11.999 2000 8.44 2001 6.568 2002 3.096 2003 9.24 2004 5.775 2005 3.656 2006 3.479 2007 2.33 2008 3.467 2009 0.044 2010 1.303 2011 4.592 2012 3.347 2013 0.36 2014 -0.149 2015 -0.469 2016 0.241 2017 2 2018 1.882 2019 2.19 2020 2.064 2021 1.791 2022 1.949 2023 1.972 2024 1.986