Year annual % growth 1981 -2.7895087464424364 1982 -1.672659751427048 1983 -7.337704052361303 1984 -2.1463655885609114 1985 -6.989543517809594 1986 -2.38614607378193 1987 12.47746839142303 1988 -14.079963676061425 1989 8.269833855020735 1990 -16.045649218584927 1991 -0.36251629012379283 1992 -9.889810533785663 1993 5.7363717146833295 1994 -18.508012299329238 1995 23.451147977283824 1996 5.373677707340121 1997 -16.837554528199988 1998 -3.1325920483764094 1999 -6.07972207928637 2000 1.7360720769454332 2001 28.750500156100856 2002 23.138675275010186 2003 6.715661911660504 2004 3.9862585633500203 2005 1.5202668005554187 2006 0.9936128020131321 2007 9.790951877789794 2008 8.95285948895841 2009 6.576725733101711 2010 -12.418314842304738 2011 28.438359215226654 2012 11.756806832749064 2013 31.05046692358792 2014 -15.126055874052298 2015 -0.1896864427025804 2016 10.641641730648274 2017 -0.29383742953992 2018 -6.7794298788629845 2019 -0.29825579675937774 2020 5.432939296035855 2021 49.184510625302465 2022 7.4282012524292895 2023 3.8860971524288033