Year annual % growth 1961 7.623263789238123 1962 20.65604948622881 1963 22.882577366784986 1964 4.470510475596967 1965 9.693479029090653 1966 1.7161842141307346 1967 2.69783297798989 1968 5.246445185380665 1969 9.450936203297843 1970 9.491132192006816 1971 9.801784576035914 1972 0.9584680231521645 1973 -0.14039764349557515 1974 -3.735969356145958 1975 9.6587906304064 1976 7.486613066513925 1977 3.4194910875501137 1978 7.398901826560618 1979 6.257460890866696 1980 4.639952032999005 1981 4.209100078964383 1982 9.62005901201826 1983 4.474098300988658 1984 7.435112874955308 1985 10.539681403123069 1986 9.401977592237799 1987 8.194004271540294 1988 5.4808650437336865 1989 5.344083895409284 1990 3.3963070018696158 1991 -0.16757701885124732 1992 3.4514838758538104 1993 5.93574511588082 1994 1.3836614947516637 1995 7.804147191629852 1996 4.640292484377781 1997 11.252466013316536 1998 12.192657459393558 1999 11.776382241962693 2000 1.375863648991654 2001 2.3533007880663774 2002 -0.18524876061991336 2003 2.7758585332657333 2004 3.975791656289587 2005 8.822173601319435 2006 4.053400166190798 2007 9.424664668694092 2008 11.364017096825577 2009 14.190385522701774 2010 5.221886564883022 2011 6.530672698935774 2012 0.6080257834000236 2013 0.5709083525802896 2014 7.585614997823555 2015 7.461134836675171 2016 6.073042313437284 2017 11.921170921252624 2018 6.699859285665582 2019 3.948642531025982 2020 -0.7697539308965986 2021 0.01820758496971564 2022 9.006498897449603 2023 2.996326408912026