Year annual % growth 1976 0.7582373300734275 1977 -1.186689556986991 1978 4.139820820338343 1979 11.3257036411609 1980 7.377466178636951 1981 3.11929649908744 1982 0.9090909090909065 1983 2.7904010204895116 1984 4.452028232374161 1985 4.336526323605867 1986 2.263184115009608 1987 5.971187974110933 1988 4.478886189006374 1989 4.456596894839393 1990 -0.26477313756167575 1991 -12.103294316399186 1992 1.228720483250953 1993 5.4451752898894625 1994 12.78456591639872 1995 7.110274831793831 1996 3.58796912430131 1997 9.974818849889516 1998 10.528037383177576 1999 9.41529615693571 2000 14.204018547140635 2001 3.616862904317216 2002 3.320816326530604 2003 2.8759244042727943 2004 4.8937085278938355 2005 3.8160784887977712 2006 11.428007221846087 2007 10.088863009190092 2008 -2.610155459479344 2009 -23.214243547663457 2010 7.589642659450149 2011 0.05144915108901671 2012 -11.581533539024107 2013 0.8206785137318207 2014 -0.8877067042686804 2015 0.36860995246871653 2016 4.903192551786347 2017 7.431747689094976 2018 -4.302089586370528 2019 3.154310293326958 2020 -2.4642381421208057 2021 0.3087610961018896 2022 -1.9060585432266919 2023 -2.7155055366140743