Year annual % growth 1979 7.2329897265779834 1980 7.2390728972793 1981 2.5642728506781225 1982 2.517191325023134 1983 2.526100685700783 1984 5.907895892298228 1985 4.821264547868935 1986 4.508478846385771 1987 5.178141488162552 1988 4.07442964123436 1989 3.5614951553619107 1990 2.4794391006339964 1991 3.634818335255673 1992 5.836172950243551 1993 6.254295562703319 1994 4.823095224854782 1995 3.6114015555994 1996 5.590358002592595 1997 6.0980719633624005 1998 3.2984366005373857 1999 3.9266182906224856 2000 6.010389476072447 2001 4.521186533407075 2002 5.2203494327829105 2003 5.145929072496273 2004 7.759258219801353 2005 7.810901255623179 2006 9.060606477662077 2007 10.377337499072041 2008 6.740914237789241 2009 4.321968659657443 2010 7.654065665870348 2011 7.167615273235725 2012 6.080896344473047 2013 5.956834432426248 2014 5.477111262599109 2015 5.380609520403993 2016 5.12935347835068 2017 5.960579095236568 2018 5.885333532076615 2019 5.003817041539634 2020 -0.865558683729688 2021 7.61848479136313 2022 3.4750942114767867 2023 5.276802745279213