Year annual % growth 1963 5.209112411627842 1964 3.2243220208075627 1965 2.280247928097751 1966 0.5925048765724341 1967 8.730021651833425 1968 4.640974991817728 1969 3.91449321015844 1970 5.483699601659907 1971 5.224521172483094 1972 4.334006725460895 1973 1.4729743792705818 1974 8.441344477927188 1975 11.066456279375075 1976 4.161966697504155 1977 12.829259986377323 1978 7.6165376791555275 1979 0.49889689773019086 1980 14.578706940037847 1981 10.417858261151153 1982 5.410018642036917 1983 -0.21769800035049514 1984 3.0808341846076104 1985 2.604452907388449 1986 2.4030168195171626 1987 7.493250883370138 1988 2.6942936957120196 1989 0.3057773681931337 1990 9.768556682478618 1991 3.9608543733670416 1992 3.704086073552375 1993 3.895139108029028 1994 5.233503484462602 1995 3.1330717309178198 1996 1.0532921980744874 1997 2.436588096124453 1998 -0.015985607279773717 1999 -1.0645806715958486 2000 -1.8507908941679432 2001 3.1935416413560347 2002 -2.6533510046921833 2003 6.210979299743329 2004 4.820035948102031 2005 2.198881445899943 2006 4.068214560093608 2007 4.619801039635817 2008 5.755352612756241 2009 2.1772482482206357 2010 9.058383410815125 2011 5.255507193034134 2012 3.3164805014530288 2013 3.906436324459321 2014 6.787831282657081 2015 2.471907087348285 2016 3.29833290001163 2017 4.457851507854471 2018 4.148177662418533 2019 2.248829431141573 2020 -2.2405540615356756 2021 5.514444338707648 2022 1.570486602019912 2023 2.8733767877892546