Year annual % growth 1961 1.7881487653261843 1962 10.645399383346188 1963 3.2919288198650634 1964 -2.890453045393187 1965 1.8839594570538196 1966 4.012509385046798 1967 8.018830661546872 1968 13.162985515508723 1969 1.6678936285942143 1970 -0.21589978500665552 1971 3.9685091669187784 1972 4.31196291851235 1973 3.751617511451741 1974 5.193410978044682 1975 11.293994358464772 1976 6.75786198008781 1977 7.900334289250182 1978 7.214330593043371 1979 6.447647974593252 1980 -2.4999585717504544 1981 2.8082666142076107 1982 6.826315495162376 1983 8.58740103382911 1984 4.3761340671705256 1985 3.8127141467469983 1986 11.813917470592102 1987 2.0492167630181655 1988 9.35211476966846 1989 4.932222539153315 1990 2.931187905655676 1991 14.305535680203633 1992 -0.28012354844044296 1993 -1.488866665299156 1994 12.781717512441375 1995 -3.9650226501389056 1996 13.559262138886169 1997 -4.184371779285598 1998 5.773651730644772 1999 1.7019667287578244 2000 1.8467600894295657 2001 1.2063010955629494 2002 3.505408622387179 2003 6.01460005707672 2004 4.459263533342323 2005 3.325506267912175 2006 6.492823626847823 2007 4.573713891683795 2008 7.540164817727529 2009 4.026320030138137 2010 4.065379427456634 2011 5.502409958347144 2012 4.155295873567326 2013 3.1807707495285342 2014 3.139908062545686 2015 2.427795206830737 2016 1.8933604532321908 2017 3.7077654765475643 2018 2.51772193838093 2019 2.176243742474469 2020 -5.603462833693769 2021 7.039702663262503 2022 -0.5774744325095611 2023 1.0158334333288508