Year annual % growth 1996 11.452136892705965 1997 11.567180656362638 1998 7.711671615828081 1999 -0.30047674258273105 2000 6.841865172429706 2001 7.7043530411689005 2002 8.576618032759242 2003 9.41550460939635 2004 11.139078999418857 2005 9.829979496067722 2006 5.4317616397325565 2007 9.386677120895953 2008 5.000817773785116 2009 -13.063352205554025 2010 -0.4513153092463682 2011 3.9541634980183176 2012 3.0929222824231317 2013 4.426540616796643 2014 5.4056493797756815 2015 0.5972102044043908 2016 3.804478079751135 2017 5.016894000448914 2018 3.736977089403254 2019 4.625248844585499 2020 0.7331914412910265 2021 1.6744574471316014