Year annual % growth 1969 3.4905735186441404 1970 6.857414222343763 1971 3.317454444261017 1972 5.281256033593195 1973 3.9228834091818356 1974 34.53199501394769 1975 24.614719808181135 1976 11.86111257576485 1977 8.412781406008847 1978 23.55769050292595 1979 33.81874065468148 1980 17.689416417914927 1981 8.904347351199803 1982 -5.10768636786257 1983 -15.72503966841819 1984 2.1837875954687576 1985 -5.6822310681857005 1986 16.26735514435505 1987 -1.1798895826838418 1988 4.306878660419656 1989 1.732262605385344 1990 -13.48740568676854 1991 -50.18114771651216 1992 35.69950851247981 1993 38.1182774658447 1994 -4.470639115204307 1995 -12.8882270361389 1996 22.39613380263512 1997 -4.887718126501639 1998 9.872863037041824 1999 21.45802016632142 2000 9.429050254379817 2001 2.5293841633446448 2002 -1.995756920590381 2003 -32.510690569622525 2004 85.61780441352224 2005 4.461662676607304 2006 5.980987222205172 2007 -0.5750063168119368 2008 5.742512441264353 2009 3.3689808202991287 2010 7.871868453295619 2011 7.1675744753004125 2012 13.521569115881007 2013 8.629553249034387 2014 -3.5434316346403705 2015 -2.6989709474218557 2016 -0.5708587829952876 2017 4.987413275362968 2018 10.457942893492515 2019 -1.3782620824717213 2020 -7.296358134652664 2021 8.049571144760435 2022 2.956241103569184 2023 1.9266674783908684