Year annual % growth 1976 12.98519625111507 1977 9.995393381882977 1978 9.898681699378315 1979 11.029588444308658 1980 5.492617816552155 1981 2.3124809356421423 1982 0.0655996238674561 1983 -0.8303875412508575 1984 9.775642342331125 1985 15.39963437107555 1986 10.145638335963895 1987 11.278443375334916 1988 12.737546950702267 1989 17.486038564462675 1990 15.77249088770158 1991 7.18005046595016 1992 3.4429071767364547 1993 2.7382731272324037 1994 3.5423611169674842 1995 11.891260836351762 1996 3.8577758460560005 1997 12.177195450026161 1998 3.6888711478343765 1999 0.7436820219498799 2000 -0.5960465856791188 2001 -3.339730602837406 2002 5.047298056892103 2003 1.2894874533613034 2004 4.625965278031188 2005 4.134192800189879 2006 9.841119166709376 2007 8.698060323176435 2008 10.426790049898926 2009 6.791898810329002 2010 3.448142316759558 2011 6.326219245683703 2012 7.823657215268696 2013 7.255161307704114 2014 2.546019829759814 2015 1.8560970198920472 2016 3.215404112821261 2017 -0.5276453834358819 2018 4.094078755469127 2019 5.942389417679522 2020 3.020920370296153 2021 3.108381755333326 2022 2.8428449536785507 2023 4.950843039594147