Year Percent change 1993 46.893 1994 -15.806 1995 4.919 1996 9.366 1997 -2.689 1998 -12.395 1999 -10.154 2000 16.525 2001 6.999 2002 6.868 2003 14.127 2004 18.214 2005 -8.518 2006 2.646 2007 3.173 2008 2.282 2009 -24.226 2010 9.293 2011 6.162 2012 1.441 2013 -14.653 2014 -10.592 2015 -11.873 2016 -3.553 2017 7.79 2018 3.913 2019 4.72 2020 3.886 2021 4.622 2022 5.606 2023 6.19 2024 5.472