Year annual % growth 1961 9.237245294037976 1962 6.370064070260767 1963 -0.6975131219166855 1964 3.4014012532891797 1965 1.022990610014432 1966 4.237131596206581 1967 8.785215516930876 1968 11.732322803084074 1969 -4.195743006843671 1970 18.35948409137147 1971 12.979300098328778 1972 11.532541214633014 1973 9.150808939977438 1974 12.006019883332016 1975 -5.277378446638565 1976 17.489537249883853 1977 11.492665535059928 1978 1.8986806641308362 1979 10.528933218065944 1980 27.504825394230735 1981 -7.964944977941656 1982 2.4829130777609407 1983 -1.981332216244212 1984 2.6318078285492845 1985 2.732374161165694 1986 11.760884273641807 1987 -4.892133014158148 1988 -6.562019793502344 1989 -1.3241107212574406 1990 4.9053274802918025 1991 4.891024587677279 1992 -0.545950638868419 1993 2.2202933733277206 1994 4.5537191872899 1995 11.541399957485183 1996 3.236580807870922 1997 3.0329738816889744 1998 -0.7200136595429996 1999 0.3782575735043565 2000 4.032632405596843 2001 0.7713065673147952 2002 1.3188470597411026 2003 -0.5459927771607624 2004 3.923494091522244 2005 4.42187773801524 2006 5.284699334536086 2007 6.376270628273886 2008 6.464265184577982 2009 4.456396528182083 2010 6.2293721267405715 2011 4.818459489460622 2012 3.4994506939870718 2013 3.4710436776910853 2014 2.2503192853437355 2015 -3.2164927314897653 2016 -3.837199304061727 2017 1.9779619957565444 2018 2.365902330126474 2019 2.5953417106057373 2020 -4.5641922960074055 2021 2.957625023137922 2022 4.145420811363039 2023 3.122176512213869