Year annual % growth 1981 -9.473184589412242 1982 -17.164020191129524 1983 -23.3332439065954 1984 -14.379094942564578 1985 -0.5355590998047433 1986 -7.513229322580955 1987 6.826941442376096 1988 13.833039991495227 1989 8.432009043495299 1990 27.075769150041936 1991 -25.15611166984243 1992 37.76781015283393 1993 2.046658225630722 1994 11.41931698545055 1995 13.40835700535439 1996 17.458676342207326 1997 -12.76436426745505 1998 25.55171249838412 1999 2.9590954414383503 2000 -8.493489025371929 2001 35.811016716138255 2002 -2.984510912165348 2003 -3.719134824108579 2004 6.686447438504615 2005 4.327895687417623 2006 28.693061051473677 2007 12.476198021468932 2008 23.651071085248702 2009 0.3829710546328897 2010 2.8076883707174147 2011 -4.494893526568205 2012 37.878916318407505 2013 6.21427049286099 2014 29.806082711485573 2015 -6.452715915670012 2016 -27.73256922013526 2017 -10.21856185098369 2018 -19.11581071361435 2019 0.9364829650817086 2020 -18.640752942722344 2021 26.553028345277156 2022 22.342434803895216 2023 51.94734952576232