Year annual % growth 1971 5.619491511679669 1972 4.8439642652255515 1973 5.755836458933189 1974 4.499559249537469 1975 5.274080378455977 1976 3.1396093933716998 1977 2.2855037948771155 1978 2.949786558152013 1979 3.5317728681375797 1980 2.8122120061082114 1981 1.7392531327668763 1982 0.39404157058298495 1983 0.492351100882658 1984 1.4456084888556262 1985 2.6991690149805123 1986 3.2660097226358857 1987 4.581997543365318 1988 5.97425760466605 1989 4.833348779448016 1990 3.777742887735627 1991 7.024051451269457 1992 -2.3296164266967736 1993 2.054307867146605 1994 4.043755607676488 1995 1.879255948004399 1996 2.4938876730026323 1997 3.212372421166833 1998 5.282120060483635 1999 5.003455964767923 2000 5.080013395330681 2001 3.315631221738329 2002 5.162560946559424 2003 2.4311430050886713 2004 1.1873081852068452 2005 -0.4977088090996915 2006 4.121685094540268 2007 2.3741690541421576 2008 2.3796391051660777 2009 2.31864012790561 2010 3.318361159408738 2011 1.6511419747387919 2012 2.431979661077662 2013 0.7672397889106861 2014 3.0161291469538156 2015 3.046160817490275 2016 3.3579660933429523 2017 2.9758176675432253 2018 2.6382987575327377 2019 2.5378929785369735 2020 -8.479069290095495 2021 11.3663771298895 2022 2.295885779882596 2023 4.03092351939722