Year annual % growth 1961 9.935379648618238 1962 0.5878030830533305 1963 1.3878743615633766 1964 2.305475506193048 1965 1.3380281696705083 1966 0.06949269892932364 1967 5.694444446776075 1968 9.461235218423042 1969 9.063625447368452 1970 9.356081456179567 1971 9.209864115643768 1972 10.138248846501313 1973 8.786610880511631 1974 9.559471363715375 1975 10.07639726790785 1976 5.913939216714041 1977 12.057251248934904 1978 8.87322643331521 1979 8.432747214464143 1980 11.789243161941101 1981 9.776347397903407 1982 5.198529879248937 1983 4.614483621774056 1984 5.7523010598305575 1985 4.554349991109888 1986 7.042350346452864 1987 6.247993039946522 1988 6.836996272174915 1989 9.312708149044525 1990 7.595840947486025 1991 5.821737362745097 1992 7.209759298192736 1993 8.00232046603368 1994 7.090172104759176 1995 7.60574543808508 1996 6.753733610330997 1997 5.583651094149175 1998 -16.461529326356796 1999 -1.0306171828196682 2000 5.174404369939765 2001 4.886314481325172 2002 5.195688425528644 2003 6.358083151103159 2004 7.110318631714392 2005 7.871030370942293 2006 7.3300301964965655 2007 8.99899023909461 2008 8.659436401527444 2009 5.825554869106014 2010 8.414451955869367 2011 8.410780134770505 2012 6.819921130640367 2013 6.3902230458235465 2014 6.017141862195146 2015 5.451880534538375 2016 5.664433018568914 2017 5.653780856319273 2018 5.821343233780738 2019 6.391805229669416 2020 -1.4535690821674336 2021 3.5447614282341817 2022 6.454090691268391 2023 6.126431636305284