Year annual % growth 1991 -9.46676787481523 1992 -3.56216903255927 1993 2.84764303717959 1994 7.05405374319896 1995 9.68540174582 1996 6.35111851006707 1997 10.2845704045695 1998 0.0875660699144305 1999 -5.04912981200523 2000 14.427523735754 2001 3.02347070384444 2002 4.29563508385355 2003 9.56695146044966 2004 15.0410555548399 2005 13.5501005399481 2006 11.6225688105822 2007 13.5625487483655 2008 9.03517702274705 2009 -13.2249815016642 2010 14.4366727714281 2011 10.7438760065007 2012 5.28888236066285 2013 2.2558860980477 2014 0.0886299729814937 2015 -3.2629688862246 2016 1.45041341976595 2017 10.237218967495