Year annual % growth 1969 17.052862573361367 1970 30.172162963037408 1971 5.361639001097444 1972 3.840315475336581 1973 8.602065109378842 1974 0.027067295795205837 1975 -2.510970257840725 1976 7.326831708424379 1977 1.7707362515465093 1978 4.555860806614319 1979 1.0948105975625992 1980 4.873294348264039 1981 5.493597686076285 1982 4.6006264678116935 1983 3.088152724130026 1984 0.018155410894493684 1985 -3.5578144859967864 1986 -0.5270092224838834 1987 2.8949858082534945 1988 -1.324016182244776 1989 2.2549385026012345 1990 -8.583925643878189 1991 4.2464115089259735 1992 14.084142814703142 1993 1.8238770757655516 1994 -5.659917569252457 1995 8.790633190610635 1996 3.6127895567341426 1997 -0.056063848766967794 1998 4.076277474169075 1999 -2.200880069632987 2000 1.3838335941991318 2001 12.314272732598823 2002 2.4654107098402136 2003 7.910377329145277 2004 -4.538997634547357 2005 7.4476594462444154 2006 8.078195033217654 2007 4.3913674215824585 2008 -2.6578724685925152 2009 10.193932965678428 2010 7.825463235708455 2011 7.298334086764086 2012 2.765573025196403 2013 2.8709668630652914 2014 2.414916118478658 2015 2.346529064279096 2016 5.644338000911333 2017 5.819229812705132 2018 5.499131801688705 2019 4.088768495283148 2020 2.835598737677671 2021 2.6384315249651706 2022 5.037335641526724 2023 3.892211318655555