Year annual % growth 1981 -20.812150535192316 1982 13.394750182171066 1983 -7.667805362225138 1984 -14.79577308289474 1985 -6.075180763104143 1986 -7.465819437202185 1987 19.026773944633078 1988 17.32740145179568 1989 11.836733302160127 1990 7.869678886962433 1991 8.841038691774642 1992 62.13869637072975 1993 3.1293433199869725 1994 5.0072009633251895 1995 3.0894470155917446 1996 1.1078677375438275 1997 3.0810607882078074 1998 7.319213276118859 1999 7.042862802281874 2000 7.820792306782948 2001 7.195532149715149 2002 7.739396819027604 2003 4.111210472704016 2004 -0.18657566012711868 2005 -1.1689207454765125 2006 -2.165943601294927 2007 2.3730268207646787 2008 1.6503595181777797 2009 -3.5986997013597772 2010 2.9207556095493175 2011 2.4327449985107563 2012 4.6296734645965785 2013 5.824181804027035 2014 3.521952154465751 2015 3.52433650302153 2016 0.9212080861366303 2017 -0.5048535168509574 2018 2.2259775500445045 2019 4.3009711023470345 2020 -12.60270710352333 2021 16.866703074302052 2022 8.024948429606994 2023 4.918952168164054