Year annual % growth 1962 3.546103782431615 1963 88.35616325206212 1964 130.9090825982919 1965 6.141734303105167 1966 6.692315243511942 1967 6.228632108506133 1968 3.4268810008028794 1969 2.3420663958074925 1970 4.413734741219372 1971 1.5739250768610447 1972 27.659998487654235 1973 -7.636118416856505 1974 9.49677843487244 1975 -26.999004742115076 1976 8.920715289106823 1977 -5.189946162744036 1978 8.06270842563805 1979 13.848774623576787 1980 5.354466940851978 1981 23.078030513145478 1982 -8.247061404443158 1983 29.74137727639817 1984 -6.5712325858707885 1985 10.306281576400139 1986 2.285860448681916 1987 -8.582688667022879 1988 6.57554501821113 1989 -9.107431154252396 1990 -10.970969550246451 1991 6.300079095105971 1992 -3.5553659084490192 1993 -3.8969412109700556 1994 4.925915948022251 1995 3.966433528493951 1996 -1.0414787329481356 1997 -16.48231982272324 1998 -8.069654086146755 1999 0.9670715561981353 2000 5.470663664479474 2001 5.411300059895922 2002 -7.3331180179395545 2003 -21.40813481457664 2004 26.568274712665897 2005 0.026584785147548473 2006 82.8328760541392 2007 -5.5661410568665985 2008 -1.6889839233289763 2009 2.28397582588687 2010 3.1747693345779027 2011 0.037781520498626264 2012 5.949673248658115 2013 1.1786403105278538 2014 2.714413554286452 2015 2.5960015331297797 2016 -0.4442834482085658 2017 7.102171335340529 2018 1.7776095021740446 2019 14.259779585803471 2020 -9.166035615702185 2021 -12.855659299754151 2022 39.93751292505439 2023 -4.815215345949184