Year annual % growth 1966 1.2888377036355934 1967 13.81311108653837 1968 1.8707362117737176 1969 2.352612220282026 1970 -5.877763979426675 1971 2.006447044347979 1972 -4.3217727671748065 1973 -0.8808763347389998 1974 6.059785948362588 1975 6.499096998323296 1976 6.686133230722135 1977 11.304064110549433 1978 -0.7642842541575732 1979 2.5486578112003713 1980 7.366760223688473 1981 4.132909402702751 1982 1.6993550577677041 1983 0.4217243112162521 1984 -6.368270644383841 1985 4.63211984733114 1986 14.133326769690797 1987 -5.157806666680159 1988 5.6201112486149185 1989 -1.837777678586022 1990 -2.9742524458869752 1991 5.264849658911984 1992 0.7107558794036777 1993 6.656070298475441 1994 -20.022255044983055 1995 16.946838281316687 1996 18.34025267020563 1997 2.448792920531929 1998 13.240171348849628 1999 16.9022472493334 2000 0.5009517934952896 2001 1.2783139671773966 2002 5.371699175703242 2003 5.150238369688267 2004 6.587252238429329 2005 5.464626808876474 2006 4.2693063445679655 2007 1.6543259596943045 2008 7.245887045039723 2009 1.0360005853645475 2010 5.429863637215874 2011 5.655752396518167 2012 9.471077591156813 2013 6.335856598197083 2014 1.325626569071602 2015 3.6948117315717184 2016 4.253223495702002 2017 3.516528144593309 2018 2.39629678419287 2019 3.4433827709825238 2020 1.915953207302607 2021 3.291189583338493 2022 4.513759987100769 2023 6.737438593316341