Year annual % growth 1978 8.977646670648468 1979 3.537120368478071 1980 1.8026357681224567 1981 -1.0368253477640792 1982 5.491615914235197 1983 5.798133809766 1984 4.015796049887015 1985 6.38650557131615 1986 10.441356870634849 1987 5.988754175844505 1988 1.046916902127947 1989 3.311512335258726 1990 5.88830162605953 1991 1.9477512774871855 1992 0.5328646670536443 1993 -0.1861449259666017 1994 2.4809793993793505 1995 1.2844287423446872 1996 3.6565779351974754 1997 3.813240727931671 1998 12.900446485449748 1999 6.836339383274918 2000 4.944002798199776 2001 1.4059136771413137 2002 3.5461729171875476 2003 7.0335423953223 2004 1.3106686214539707 2005 5.349222313386079 2006 0.8525085650731512 2007 9.185247332710063 2008 2.9329288274406764 2009 -3.2124805354584964 2010 -1.676045374743623 2011 1.437832382283304 2012 0.6168823713999245 2013 1.293139514540215 2014 5.681007487064733 2015 3.075436302654765 2016 2.614162806088686 2017 3.8482210039772156 2018 2.585136114273894 2019 1.9562091668138066 2020 -13.274243230203979 2021 1.783714776803862 2022 5.2888994772762175 2023 4.8455364629780036