Year annual % growth 1961 10.08521199851215 1962 -6.6759707911972015 1963 -3.4266317799240653 1964 13.199503063837085 1965 -3.1923839646512846 1966 29.734470287273894 1967 -9.260145181626555 1968 14.523782228676367 1969 -2.2157282668281226 1970 29.258607280155047 1971 4.269335528923165 1972 -2.4390984729631953 1973 9.083408571329528 1974 19.82789377053436 1975 -18.017792704423286 1976 9.30735930585756 1977 16.244268720856184 1978 6.914528741916357 1979 -0.31652337363011895 1980 10.87534863709405 1981 13.234582712339659 1982 5.3333561184943505 1983 -2.150406800746836 1984 -5.8916669422811765 1985 -9.643149726121152 1986 4.351980033685535 1987 9.214484575383679 1988 8.009341237957486 1989 -7.326712284831984 1990 -1.1725192939529876 1991 -8.737385529675961 1992 42.9849247180552 1993 38.201614294468186 1994 26.712667045624784 1995 6.065898202465348 1996 -12.019939846776154 1997 -0.6448343841294246 1998 -6.308135947745228 1999 -38.6299754018654 2000 12.263304233371144 2001 8.423959115630737 2002 10.07036747424985 2003 11.35510320024855 2004 11.183203325095988 2005 11.472806723416753 2006 16.933809963099634 2007 15.797051427444416 2008 9.083321978471176 2009 -6.295573424935597 2010 9.562094879442796 2011 18.515927393291392 2012 2.8867130354438757 2013 7.806624218121499 2014 11.953560210332668 2015 -1.1512248557093585 2016 -0.1625676276103576 2017 -3.2283736661884603 2018 1.5041011102213844 2019 2.9524327320796573 2020 -20.680621495544855 2021 11.56635313929884 2022 16.00135733634444 2023 -24.777010913115745