Year annual % growth 1971 12.68155359792678 1972 4.0271202886420525 1973 12.022812379193311 1974 9.739060647736466 1975 -0.884851284490324 1976 3.4997348643911863 1977 0.5998913350062196 1978 -2.038110670042755 1979 0.11394080940011975 1980 4.025807725659774 1981 2.758557546432243 1982 2.296233518629137 1983 -1.235504566948748 1984 -2.999644037611233 1985 0.6407255324089647 1986 5.637396174868982 1987 5.286175758551593 1988 6.826072548406529 1989 2.9431870508126394 1990 6.438833799042413 1991 4.229456934007317 1992 4.736645836663243 1993 1.1018486364103808 1994 1.0253287906967046 1995 0.5961111072191159 1996 3.5171258305968394 1997 3.4014081614467386 1998 4.784796621430459 1999 5.265322549978336 2000 3.687333494230515 2001 0.8899418061117785 2002 1.282907184642525 2003 -0.3190103707762262 2004 2.5563312958259274 2005 1.5766637673932564 2006 1.5168019242111939 2007 2.50931342780558 2008 1.371568233742451 2009 -2.311973170248777 2010 2.3555892379641534 2011 -3.659649619067821 2012 -5.3185066016433495 2013 -1.0427148808857254 2014 2.380736818241644 2015 2.038102219201349 2016 2.5596410257611666 2017 2.1008787273785003 2018 2.6152538893451975 2019 3.2632953590443066 2020 -7.0217705739621294 2021 4.727536805238145 2022 5.550213887984754 2023 1.6617564936718168