Year annual % growth 1981 -12.942279282036154 1982 -12.62825276549701 1983 15.226713318949223 1984 23.711005460172373 1985 13.827397628059117 1986 50.65705957505779 1987 4.468800878424247 1988 14.346661717389765 1989 36.683051268415795 1990 2.266511098065166 1991 6.586651893451531 1992 -5.607687683730958 1993 7.056570554046559 1994 -6.623712335881095 1995 1.3214609447478267 1996 25.31466595485405 1997 17.07377154744985 1998 -4.274174218424093 1999 5.020950511408785 2000 18.654991955936723 2001 -2.7586201029937882 2002 -2.8369631670612137 2003 4.379603445980322 2004 10.99201856295879 2005 22.600536119736446 2006 21.537810702242638 2007 1.0615255355233728 2008 -4.741301963820206 2009 0.4754117932609603 2010 -4.750566137453134 2011 2.2639422254186172 2012 12.846780442748468 2013 14.0654135490486 2014 11.425586259195427 2015 -1.0367553413232287 2016 6.289226298945238 2017 17.56545746899789 2018 -2.8120338657347475 2019 -0.007888039937668623 2020 -28.432150183735246 2021 20.734520471442636 2022 26.68373908417614 2023 0.2786658480041808