Year annual % growth 1971 6.362919520166784 1972 4.5790270463155025 1973 6.2853117064095585 1974 1.3289001162301446 1975 -3.6065563764698396 1976 2.5170101281013757 1977 1.1944216790508335 1978 1.5737686183506838 1979 11.039379813805184 1980 4.069771864116831 1981 -2.541385205826046 1982 3.58851804715934 1983 -2.147808666577376 1984 6.8444647599518476 1985 5.610784343203662 1986 0.690234131414087 1987 6.875778893102051 1988 -22.468421009380663 1989 1.3035867409556374 1990 13.783716522240468 1991 10.461075718169369 1992 9.155345608945865 1993 6.331165996323335 1994 4.2578474932259525 1995 0.19524659641678 1996 1.7140477006787762 1997 3.2558538695863177 1998 2.2335074226013063 1999 1.0623715227259964 2000 -7.1549676804983875 2001 -6.291084421811618 2002 -2.6278918225623613 2003 -3.3952761491101455 2004 2.08204268122887 2005 4.200915080052937 2006 3.875739908534385 2007 5.624818196936161 2008 3.650578381888863 2009 -1.5038867248893268 2010 4.2089779131750475 2011 5.624438477691456 2012 8.151039891960465 2013 3.8738804151952593 2014 3.544721598380619 2015 3.441724762645464 2016 1.148502223483348 2017 2.6172971658448034 2018 1.2835583104055814 2019 -1.3984740331982266 2020 -20.69461960688122 2021 11.352772695729342 2022 5.1274983784665835 2023 2.0239381097176192