Year annual % growth 1976 -1.5844524113480958 1977 7.417342551244062 1978 30.975109637289876 1979 30.311287317788526 1980 18.122419832625795 1981 1.7479411135396248 1982 -8.4460480688208 1983 -8.574416983410387 1984 17.650422787973284 1985 7.794903222156108 1986 2.7163222303464636 1987 33.08204709131138 1988 40.19481677646681 1989 23.7237044402397 1990 7.2814600982664075 1991 -2.23879339476764 1992 -4.230851265595106 1993 -1.8682763127904565 1994 -1.174163313193361 1995 6.233589532027906 1996 0.1509707155731519 1997 18.0945004596323 1998 10.363058629795049 1999 12.475946170677759 2000 1.964709080728582 2001 5.137084570167843 2002 4.161998415604032 2003 5.423544195044244 2004 9.885874627081392 2005 1.8625164355223376 2006 6.952555903195105 2007 33.158579692593634 2008 10.964158111007833 2009 2.9533702465851093 2010 5.124644885033462 2011 29.36726030839324 2012 5.835137511832116 2013 -2.88029595258989 2014 2.19405349901632 2015 3.6589289701950207 2016 7.006032791923047 2017 -4.603325440588307 2018 8.621271814316955 2019 10.174831051046823 2020 -9.212658166278956 2021 0.2875573866572694 2022 -0.2439645184856971 2023 4.173968397960564