Year annual % growth 1976 3.9952116178878754 1977 -1.9495346700981315 1978 3.421052631578945 1979 10.319473132764557 1980 7.483348357303839 1981 -11.20929058318606 1982 3.07079897640034 1983 6.731034482758631 1984 4.006203153269581 1985 -2.6590457256461235 1986 -4.952769977023223 1987 -16.70695675530486 1988 11.770396646243157 1989 0.08655510675130529 1990 9.714615162871155 1991 -4.335260115606928 1992 -3.7077725899478224 1993 8.442669709070174 1994 1.2624934245134085 1995 -1.6363636363636402 1996 -5.122788486928968 1997 7.458947954355693 1998 -10.075110075110075 1999 0.20161290322579362 2000 8.450704225352126 2001 -1.9082957858468035 2002 -0.08105917319642231 2003 -3.3802055164954083 2004 -0.8676182479708956 2005 4.488989271597973 2006 2.053499054309654 2007 6.883770187979877 2008 0.14862521674510276 2009 7.17289141726441 2010 0.8077544426494399 2011 -0.8241758241758248 2012 -2.308402585410903 2013 1.7013232514177616 2014 6.854089219330859 2015 3.5877364644487812 2016 2.2250209907640652 2017 2.217659137577016 2018 -0.8236239453595857 2019 5.185335223820147 2020 2.156749470440971 2021 1.4137606032045227 2022 -2.6765799256505574 2023 2.4828113063407216