Year annual % growth 1971 5.646104832282603 1972 11.86137891746229 1973 6.791188416756896 1974 0.4261320409915754 1975 -9.206759300951703 1976 16.09196414412841 1977 8.213792413717158 1978 7.509548145472181 1979 2.7709013515416956 1980 -5.886811641267741 1981 2.5671633592399274 1982 -4.539936120371436 1983 12.138613591743947 1984 23.005799659396374 1985 6.831167990976411 1986 8.184405141309156 1987 5.842723673422128 1988 5.691384356639759 1989 4.674651489102914 1990 3.227351136690146 1991 0.39115953769568534 1992 6.647409405887288 1993 8.416858611312364 1994 11.213858486071572 1995 7.582038187842926 1996 8.072301537632498 1997 13.639257298929294 1998 10.504523521755743 1999 10.971848142855052 2000 12.228434006320214 2001 -2.8642401114840084 2002 3.3778022960041767 2003 4.982577921345381 2004 10.588548342825916 2005 6.624215582427311 2006 6.24608265972293 2007 3.066732636450567 2008 -1.6560692563951136 2009 -12.592077858295838 2010 13.103568896745287 2011 4.944938307219672 2012 2.6536711552947168 2013 1.3594638562031207 2014 4.711728529197927 2015 4.450893438728244 2016 1.2335956048610512 2017 4.7174468409159545 2018 3.952416698929298 2019 0.9911745429494374 2020 -9.082916201021789 2021 13.484409407794587 2022 8.443883292636016