Year annual % growth 1996 2.5344409883017534 1997 4.933908889633571 1998 3.3501594418606118 1999 6.207865075453185 2000 -0.16457917427887025 2001 4.8767841104799174 2002 4.302405640326583 2003 3.2751364682218025 2004 3.0418405754478357 2005 2.870534157773079 2006 5.361927649658256 2007 7.15086409168228 2008 2.2424991988040546 2009 -6.41878340407807 2010 -1.389330742738693 2011 -0.28536743826120414 2012 -4.9650446442280725 2013 -0.2969307770004974 2014 4.558723427001524 2015 0.40004781306754467 2016 5.145524481413915 2017 6.364458045040422 2018 5.597624957664763 2019 4.194529435312404 2020 -4.275436098105914 2021 7.161782938365889