Year annual % growth 1961 10.546253644283027 1962 9.757071293440319 1963 2.9017978581783836 1964 11.124924185049537 1965 -7.089412724772188 1966 20.464472629087396 1967 -5.203825866364184 1968 12.45149965665702 1969 9.153707256722754 1970 2.8923897418037257 1971 4.577122526591836 1972 -10.70690099519841 1973 8.647371656920683 1974 15.156596459025181 1975 -11.618120002953688 1976 1.9004110338109967 1977 2.7894580609642503 1978 1.6789583054066526 1979 -4.575178228074478 1980 5.429928682035978 1981 -4.187131065730483 1982 3.180295088529178 1983 -2.284639876120451 1984 0.8745845514063717 1985 6.717530766673633 1986 9.771870552293478 1987 0.2595300633084321 1988 4.607283427979581 1989 9.408078674183713 1990 22.54041964127518 1991 -1.2421924526263695 1992 -0.7795622470184043 1993 31.520594744820784 1994 -1.155565710261655 1995 -7.661243690013478 1996 4.5589332023644005 1997 -10.645580914142414 1998 -4.88434861768576 1999 9.280222104593534 2000 1.1349834866708761 2001 3.607384082759822 2002 7.1150054185534515 2003 7.212066676593466 2004 12.594938667813764 2005 9.379819147391615 2006 3.5404082132842944 2007 6.157531092731986 2008 2.371802899624356 2009 -5.21907078096406 2010 14.352392065344219 2011 8.367346938775498 2012 2.2598870056497162 2013 -0.46040515653776026 2014 1.8501387604070203 2015 -2.1852861035422393 2016 -6.569186769922183 2017 -1.0176965908555502 2018 6.77210127618369 2019 -3.1576899321497507 2020 -14.91210276262332 2021 15.25058150960372 2022 10.656532469554051 2023 -6.800013530121433