Year annual % growth 1961 5.268475161318236 1962 5.55611669843276 1963 5.162725051771403 1964 4.566463122087399 1965 4.0170856567124815 1966 4.338169231217748 1967 4.899088067422667 1968 4.457147261040177 1969 5.12484871814938 1970 4.263095910022855 1971 4.7765779917206 1972 4.108208216104131 1973 6.05577114358411 1974 4.745494459544204 1975 5.0553486447306 1976 6.029081156301473 1977 4.499634928676869 1978 5.621686515798487 1979 5.338054242674261 1980 6.014419083175753 1981 2.0492186805690835 1982 6.472086092552388 1983 4.997812646641648 1984 -6.077516196717596 1985 -1.9022728010341012 1986 4.243227572818782 1987 5.133104932146111 1988 6.897903447518729 1989 6.780001024633918 1990 4.598349722306523 1991 0.28993946140514026 1992 1.02673933103803 1993 2.506810966741014 1994 4.153383007306346 1995 4.763775778873153 1996 6.244664333526288 1997 5.304442017157768 1998 2.8614228600812623 1999 4.566451103071174 2000 3.348055243041543 2001 3.850473025058349 2002 3.771936081741245 2003 5.306681430202701 2004 8.293678032369641 2005 5.281963233488767 2006 6.413636319239231 2007 7.695710340301233 2008 3.988693314368021 2009 3.4257677570323892 2010 7.553215154685702 2011 5.168465728816614 2012 7.380869190379528 2013 7.57117682518323 2014 6.71749969167881 2015 7.413640779676129 2016 8.174153963859581 2017 7.356435301925842 2018 6.742605897170122 2019 7.243358827830676 2020 -9.127207940570841 2021 5.3665446563286 2022 9.22899378986746 2023 7.124573974599585