Year annual % growth 1961 4.414539304322872 1962 2.8751381577733213 1963 3.3677159923724247 1964 8.180413660825508 1965 2.7203509466174296 1966 0.6446492424210959 1967 2.2716595485051414 1968 3.412395804281431 1969 4.707117364520457 1970 7.170348372940751 1971 2.2250940068560254 1972 3.532363735115723 1973 6.178058457630982 1974 13.847518153808934 1975 13.996622808212706 1976 7.755316103238542 1977 3.4415037894365526 1978 6.142462216778412 1979 6.361947474402555 1980 7.439752903172533 1981 10.837157789991522 1982 2.1743063243013836 1983 1.870800191059942 1984 0.9998572671671866 1985 3.075758760256093 1986 2.1865501461765007 1987 3.7058517092369385 1988 2.1424487257254015 1989 1.1281613731596138 1990 2.327167048081762 1991 2.9816100093255926 1992 1.6168571830161795 1993 2.4669945112244562 1994 1.9127836447391644 1995 3.8345422542235923 1996 2.745852252599363 1997 4.306876978216451 1998 3.783480038451998 1999 -8.34448203948594 2000 4.505170091334577 2001 3.9310236307079833 2002 4.899193821828177 2003 3.9635581438168543 2004 2.1935296754443954 2005 6.56788486548399 2006 4.80240396215676 2007 3.179505031317248 2008 7.48546654384576 2009 3.1834979011884172 2010 6.489427048177873 2011 7.233221897164356 2012 6.582678550605749 2013 6.808607096070233 2014 6.301836856557671 2015 2.9979427514163888 2016 0.5641873952774858 2017 5.01480031415727 2018 3.6221006332497296 2019 1.1678225968990006 2020 -8.502695255399004 2021 8.246913772041452 2022 7.078215092036572 2023 2.243198796769491