Year annual % growth 1961 1.6589781383934223 1962 -1.1683320883360722 1963 8.375401095260159 1964 8.922567053195365 1965 7.214949839917907 1966 10.188788559036183 1967 2.4165731720674444 1968 3.455803317721731 1969 0.23673100236902656 1970 1.5441175997934096 1971 0.9460771756363897 1972 3.9133582079074642 1973 3.8413536602142244 1974 0.5640346870167576 1975 -1.9843510358231384 1976 -0.1068984130766637 1977 12.142737612389581 1978 2.7188252683404386 1979 5.220730071161086 1980 5.421837000164473 1981 9.118080244242364 1982 -11.666027690382847 1983 -1.6777975495661366 1984 8.131933692644466 1985 11.222573991939527 1986 -1.6054510506880604 1987 -2.1061904317629256 1988 11.437296831776834 1989 -7.294134810783191 1990 -5.42824922914474 1991 9.486145866320456 1992 5.827280550552999 1993 5.29028611683367 1994 -5.313148857668438 1995 4.227842985182221 1996 5.730900793464116 1997 5.01934108425408 1998 5.449845428716827 1999 5.317554240780112 2000 7.532400891380803 2001 4.386804737463194 2002 4.319493191635075 2003 2.708864955189938 2004 4.042239695890743 2005 2.079625241717281 2006 4.363517250693178 2007 3.761216455131617 2008 4.337764665843451 2009 2.8326424637504175 2010 2.048376096673607 2011 3.7455553771806365 2012 1.91413431197212 2013 4.04816645195784 2014 3.684857650552047 2015 5.251085741339608 2016 1.9342045624735107 2017 3.499999999999986 2018 3.499999999999986 2019 3.4999999992581223 2020 3.2300000015000023 2021 4.7999999997019245 2022 4.951211464712827 2023 4.032877845110306