Year annual % growth 1966 1.8912472308275454 1967 5.0395327803823164 1968 4.954105571745785 1969 0.29129270039096866 1970 3.771757863129025 1971 3.496780538668915 1972 6.549297944769165 1973 -2.395529256107551 1974 5.456395973190737 1975 0.43210704297398195 1976 10.86444157401823 1977 -2.528562628128668 1978 3.249620638585043 1979 3.3807707990402065 1980 3.817137816698832 1981 -0.6486380845407069 1982 6.868624165509729 1983 1.1571710641155022 1984 5.681311146403473 1985 8.313085176537086 1986 4.811080552255746 1987 -0.8003933408741233 1988 4.337754941156376 1989 4.675525202298417 1990 6.7607762246638 1991 3.649979748361716 1992 4.451140719459957 1993 -0.46678188071065563 1994 7.6521204669463 1995 -2.384507563778783 1996 6.639392182597575 1997 -1.8782556505900203 1998 10.579736932922444 1999 -2.0667255554736954 2000 -1.6802728532602629 2001 3.736717260320148 2002 7.081192024111772 2003 1.6661821211374956 2004 2.840920803678145 2005 6.099270905010627 2006 7.194228451934777 2007 -4.15027271802694 2008 -5.6894558290405115 2009 9.035058766992819 2010 3.1808539735045542 2011 5.877664590130621 2012 3.055495100406546 2013 6.418817397399181 2014 0.5331282706952436 2015 -0.4817468246955343 2016 1.0157159570808716 2017 2.395061169167107 2018 2.6027121586729436 2019 6.4136694706946145 2020 2.729395865248634 2021 -0.8559517768299258 2022 -1.175038826673486 2023 3.7123173339343367