Year Percent change 1993 338.684 1994 126.583 1995 16.374 1996 2.467 1997 1.294 1998 0.544 1999 -1.279 2000 6.608 2001 5.199 2002 2.314 2003 1.105 2004 -0.659 2005 -0.57 2006 3.272 2007 2.794 2008 7.522 2009 -0.739 2010 1.508 2011 3.905 2012 3.317 2013 2.785 2014 -0.282 2015 -0.3 2016 -0.239 2017 1.352 2018 1.458 2019 1.796 2020 1.989 2021 2.198 2022 2.2 2023 2.201 2024 2.198