Year annual % growth 1961 -1.0449320793881043 1962 11.404435059506952 1963 28.950575492171367 1964 -10.280373832644756 1965 2.200374531940085 1966 21.701786530488107 1967 7.45271478275717 1968 30.764515283511173 1969 9.884811143976663 1970 14.474646513838678 1971 7.794282062882402 1972 17.350718625927414 1973 7.731481481450857 1974 8.379888267190069 1975 -1.971739600486984 1976 5.420113989451039 1977 8.155150167282116 1978 9.939691034239416 1979 3.259115848011774 1980 -4.343750006213199 1981 11.11936087467953 1982 -5.457704123603051 1983 -1.311734938895654 1984 11.275029360186721 1985 -3.992791867811448 1986 3.6279294259248047 1987 20.948585915873096 1988 7.370087505896322 1989 16.073563396757365 1990 7.901467687356401 1991 8.902605873117707 1992 17.067820290616737 1993 8.094809545103459 1994 3.9412718849616084 1995 11.018386025049693 1996 6.2565581227255365 1997 8.695457849614982 1998 14.458865758535367 1999 5.118522428486429 2000 2.2404599767698414 2001 1.7020182850132386 2002 2.680096878430959 2003 5.671028647343121 2004 10.383341758795183 2005 6.011897539304201 2006 8.041497259493141 2007 7.522935852539632 2008 2.172059316717352 2009 -8.461752654042982 2010 9.327452510514036 2011 7.048104150460517 2012 5.564272466236076 2013 3.3115334966405925 2014 4.964336049985917 2015 2.888311942612802 2016 9.417271894735961 2017 6.954924492150653 2018 4.890960796402169 2019 4.261470046292274 2020 -10.632856323756371 2021 15.933921652908253 2022 13.206945225090877 2023 10.460197946204246