Year annual % growth 1978 4.729148753224408 1979 3.407224958949101 1980 -7.979356887653836 1981 11.691113028472813 1982 -2.1243723445345637 1983 -15.232833464877658 1984 0.6517690875232631 1985 7.169287696577257 1986 -10.012947777298237 1987 4.46043165467627 1988 5.325987144168963 1989 -3.661726242371401 1990 -2.3076923076923066 1991 5.743399722093571 1992 4.555409548839236 1993 3.30959363217427 1994 3.6901865369018765 1995 -17.481423543214703 1996 11.184834123222757 1997 2.728047740835464 1998 -0.5809128630705374 1999 -6.343906510851411 2000 -32.174688057040996 2001 17.80551905387648 2002 19.576129392080304 2003 1.492537313432834 2004 12.775735294117638 2005 5.419722901385498 2006 -20.061847700038655 2007 3.2398452611218715 2008 5.620608899297423 2009 -10.598669623059862 2010 2.4801587301587205 2011 14.375605033881882 2012 -8.336859923825642 2013 -3.18559556786704 2014 0.619933237958989 2015 -1.9905213270142212 2016 -8.752417794970995 2017 8.956014838367793 2018 1.2159533073929936 2019 -1.1532916866891014 2020 1.2153621779290091 2021 8.741594620557152 2022 -9.36395759717314 2023 27.97270955165692