Year annual % growth 1996 4.323536456296864 1997 9.118167065338326 1998 13.723169135154194 1999 -3.058331742140595 2000 12.39501718262106 2001 13.25424434788414 2002 5.174949646653573 2003 13.601051972997652 2004 12.519154748380018 2005 9.291882506742695 2006 9.647281326763647 2007 4.846987525585277 2008 2.272899262344737 2009 -16.032583902101422 2010 9.168293276546649 2011 10.197865807152255 2012 4.986175011992785 2013 4.592962042059455 2014 4.347419019329152 2015 2.9887023609168892 2016 3.1523040873152155 2017 5.602006978999825 2018 3.8594513319381036 2019 3.9886487287024437 2020 1.0578804016874983 2021 10.90398623641687 2022 4.380166361866557 2023 -4.564517035143226