Year annual % growth 1988 3.69777233881091 1989 0.771452093737835 1990 8.98053353482402 1991 -2.2814346635295 1992 5.4716151457217 1993 9.71520242195597 1994 -8.61583353813583 1995 9.19677435840715 1996 12.241188388884 1997 6.7354062978286 1998 7.35596255978786 1999 -4.34017200612762 2000 5.37482496139062 2001 -9.53819152322362 2002 9.65340248586135 2003 7.73629588356842 2004 11.0636315125486 2005 10.1892871075157 2006 5.55386759287997 2007 5.3691889776114 2008 -1.01789571955784 2009 -5.54889291849837 2010 9.97644432597062 2011 9.17254077938449 2012 4.76044000808626 2013 9.60222543396418 2014 4.60070934260321 2015 6.31267920369953 2016 3.46769484946192 2017 4.13560752963753