Year annual % growth 1979 6.7357923657664855 1980 7.059215498811795 1981 2.9771573501824946 1982 3.0839700247092594 1983 2.9085055750082773 1984 5.388028706354376 1985 4.817501705661513 1986 4.628452180782119 1987 5.069347015823126 1988 4.3641115343526735 1989 3.869890031330158 1990 2.87298849683053 1991 3.6883784915256825 1992 5.524881492604592 1993 5.90732595569159 1994 4.643686174311327 1995 3.98089983100067 1996 5.6043340710898235 1997 6.081858196751554 1998 3.7010678703640565 1999 4.388422896696937 2000 5.536389109475024 2001 4.96816708087384 2002 5.344088547879139 2003 5.206623438440744 2004 7.900604622072478 2005 7.791962836841179 2006 8.721086287324667 2007 9.900895187658747 2008 6.761474442531721 2009 4.816056336865799 2010 7.458061087454396 2011 6.791315290187683 2012 6.179628410230478 2013 6.065896720335687 2014 5.805205133739804 2015 5.565677804491003 2016 5.2249309529156704 2017 5.766125384018977 2018 5.84739311428379 2019 5.085777391462386 2020 -1.6450964876986234 2021 7.386116536325389 2022 4.302669202519823 2023 5.387908109346213