Year annual % growth 1961 1.3535928395422445 1962 3.121579701459737 1963 2.8241669999162724 1964 2.7800376403028793 1965 -0.5727908473812136 1966 2.719047736886978 1967 -13.482281968547 1968 10.938708753219856 1969 1.7183234422517728 1970 1.2786772369503012 1971 9.240129876250165 1972 -1.5553302868675019 1973 -0.5715066803402777 1974 9.346613782408781 1975 17.042932694924986 1976 -7.239748735381141 1977 19.722291524618484 1978 11.113578372946037 1979 7.509963124878482 1980 -14.255426145762428 1981 18.583326437761954 1982 14.006467921527616 1983 -0.7409115937065991 1984 0.6155032755682726 1985 5.820945053347444 1986 24.09382518787568 1987 4.577693572681511 1988 -11.796728673809241 1989 -13.336876465666208 1990 -2.1242063437780843 1991 -2.4136546924576834 1992 -9.859109931937937 1993 16.069337017037498 1994 4.4211889819016505 1995 0.607811977748355 1996 5.454519675208445 1997 7.795232819524969 1998 6.333287987898785 1999 6.065946341527379 2000 7.20727660198844 2001 5.14001487596461 2002 3.9419479663870334 2003 6.862552138085732 2004 5.852374648832807 2005 5.4261612635019105 2006 2.6014118162469373 2007 2.1175442371331314 2008 5.322263307036295 2009 4.58312253088657 2010 1.6127253095028067 2011 3.324565284621457 2012 5.166318296070102 2013 5.744046573829763 2014 5.6917744632483505 2015 6.440648354970975 2016 2.400256094685105 2017 4.702042595533044 2018 5.122708945754354 2019 4.0525510283282244 2020 0.25556164912856616 2021 4.731266553213942 2022 4.168938128315602 2023 4.299999999999997