Year annual % growth 1996 6.38361517441035 1997 10.9534858845963 1998 1.13112187401153 1999 -4.6675785518223 2000 15.0580622319164 2001 1.60545709340079 2002 4.29715688823495 2003 8.25918871807285 2004 16.6317188191324 2005 12.5121790657852 2006 11.4249525276372 2007 13.5741551358763 2008 10.1206329376768 2009 -13.962435408075 2010 15.508184357021 2011 10.7912020420967 2012 5.39992328378072 2013 1.84919041350238 2014 0.116256586371975 2015 -2.91580348417347 2016 1.81457577450624 2017 10.5220801648074