Year annual % growth 1971 2.3411721939488928 1972 4.648319296160423 1973 5.900053524105431 1974 3.891124931429175 1975 -2.5641634135054545 1976 -0.4938136294997264 1977 0.018357493834940897 1978 -1.8219527564835971 1979 4.405102415982753 1980 -1.1632903988253673 1981 -1.8098591124020942 1982 0.0910231494009679 1983 -2.2477019122056703 1984 5.832065675169403 1985 4.287733719797586 1986 -0.35026169959506603 1987 1.9712175940743464 1988 -4.93955172433121 1989 -4.029975708120091 1990 -1.1777426905614732 1991 -2.564469201502007 1992 0.9953613608376486 1993 1.7828375040274977 1994 2.777001905542221 1995 0.29894373214641234 1996 4.41358879562614 1997 4.889047794796085 1998 -0.7455219203237249 1999 0.5001938735944123 2000 1.0439115265690475 2001 -0.8373016522388923 2002 -0.6738470339728906 2003 3.097465206820729 2004 4.371508379888269 2005 3.7674088256183893 2006 2.4432342350385454 2007 3.8543845379192874 2008 2.9276706836670314 2009 -7.436193581991532 2010 1.386720948098258 2011 1.7200689185862927 2012 2.0430337105306933 2013 3.069683964830233 2014 2.9096913020530337 2015 -4.4769707570038975 2016 -4.110412555642242 2017 0.19717352706109637 2018 1.7572182552002573 2019 1.822628189481975 2020 -5.2916418887459855 2021 5.656905883727276 2022 -0.46620905698621584 2023 0.17171315109831653