Year annual % growth 1972 4.912274970288848 1973 -6.354553718045565 1974 20.357231493247014 1975 -12.166198192018214 1976 -16.89192465417358 1977 24.796752477571403 1978 -8.14332475067529 1979 -10.638260094369173 1980 -1.1904813262797376 1981 -6.02409726314751 1982 62.820432095272395 1983 -11.286071684494246 1984 -6.21293100673887 1985 11.987311339631972 1986 -4.225352727180237 1987 7.647063452679674 1988 9.28961596709155 1989 1.3637530149611194 1990 8.717540514307302 1991 4.29914024923346 1992 19.550075589114172 1993 -6.304352717100713 1994 8.061477441252322 1995 4.190548829025545 1996 12.809202706785982 1997 4.230071427713696 1998 0.7095320875177151 1999 3.967035906838774 2000 10.60024841099569 2001 9.210284853874214 2002 2.6063528151573507 2003 1.0817134901752468 2004 0.061871118174110507 2005 6.6232005288496225 2006 3.0743968004214963 2007 -4.119913869676921 2008 -12.471552155767512 2009 0.7870975110567713 2010 -0.3791341236227197 2011 0.36826761549164644 2012 0.3401493852181119 2013 4.401151870229427 2014 8.625262328757557 2015 6.246369000506505 2016 6.431714280217207 2017 -0.5629094294442893 2018 3.7929333481169607 2019 11.25680305283565 2020 3.36721654807522 2021 5.037963084692848 2022 7.276488626061422 2023 7.073027191912345