Year annual % growth 1961 2.352938346471916 1962 3.8314189431598606 1963 37.14637376027039 1964 -3.856506029670385 1965 13.079293908167159 1966 22.937293564656684 1967 -6.409395840427607 1968 12.477590095692818 1969 12.814791368894134 1970 -2.2322689939097557 1971 4.161849933253308 1972 14.345171443468601 1973 9.585052667335574 1974 6.643046779936853 1975 3.301495146587456 1976 6.592964765103957 1977 6.22288657734056 1978 -0.10650399683069622 1979 10.040868146467943 1980 5.151814189421771 1981 -14.406398303820154 1982 -8.451457205298382 1983 -10.8780872436855 1984 -3.232900520475596 1985 3.181818201112435 1986 -13.986784520684424 1987 6.017925912898889 1988 5.628019653900893 1989 13.286073181920472 1990 13.463867775078356 1991 -9.090909205179727 1992 9.39334654506024 1993 6.6703221625900255 1994 3.3614511384212307 1995 12.560449492216293 1996 8.686149963218753 1997 8.102787003992091 1998 2.394318190715012 1999 4.603994418123463 2000 3.8169494329144698 2001 -3.990027065770903 2002 0.7103051065949302 2003 -0.5175683458896998 2004 8.216970937746979 2005 -2.109630243963494 2006 4.790667155961529 2007 9.416119588916544 2008 -0.16299745201175142 2009 -2.6612195905769767 2010 6.133976528224736 2011 3.0079547721694837 2012 1.7536472956919908 2013 6.662733741177277 2014 6.927340088028771 2015 2.837720864114061 2016 2.3590426460061877 2017 1.4901033694316226 2018 -0.37008169422659876 2019 0.2317623253997141 2020 -7.52571242759511 2021 10.258312961327846 2022 6.967935030989267 2023 -0.3835004807177427