Year annual % growth 1971 5.75276214757487 1972 6.295736413144226 1973 7.162933843842168 1974 -3.5451516585404192 1975 -3.643568849014116 1976 3.957886361496918 1977 4.789157946086718 1978 6.539840816671784 1979 5.351780857161771 1980 0.2365169082157621 1981 0.6324228921135386 1982 -2.9230066678839677 1983 1.6798076095139578 1984 6.4961435950186655 1985 5.089678489166573 1986 3.9988115605228387 1987 4.856933534185018 1988 7.077745467629342 1989 5.723086430979336 1990 3.595861771601875 1991 -0.35110521692665486 1992 0.8236481102913444 1993 -0.6804248746051513 1994 3.8138106986846765 1995 3.58570195768921 1996 5.8080345576390044 1997 3.8717481852160347 1998 4.241939649962845 1999 4.7425493717207985 2000 5.20056009553376 2001 -0.36676114764405554 2002 -0.9354537619798577 2003 2.804305567185878 2004 4.425235388168659 2005 4.855963010981895 2006 4.110751613503112 2007 2.3862913894136 2008 -1.7826330899404184 2009 -10.537728306581002 2010 2.149382490209419 2011 3.8466509975188217 2012 3.015915787449842 2013 2.178711589150595 2014 3.6758450570791865 2015 3.73785778697642 2016 2.508317769604986 2017 3.833690274807225 2018 3.1581214730545355 2019 2.547619420850509 2020 -3.310316274284034 2021 4.689924024384013 2022 1.8760777897595347