Year Percent change 1993 4.787 1994 13.147 1995 11.983 1996 10.288 1997 3.739 1998 9.467 1999 8.397 2000 19.947 2001 14.625 2002 16.877 2003 22.669 2004 25.111 2005 12.506 2006 15.06 2007 9.308 2008 19.925 2009 33.037 2010 11.228 2011 3.898 2012 6.015 2013 6.453 2014 10.04 2015 9 2016 9 2017 9 2018 9 2019 9 2020 9 2021 9 2022 9 2023 9 2024 9