Year annual % growth 1961 3.047465242270249 1962 7.578645240660492 1963 5.154691742554249 1964 5.718897698923058 1965 6.646968178083128 1966 6.666836960102685 1967 10.325917764426464 1968 10.22190386758109 1969 5.25104863393247 1970 4.016140657915244 1971 1.8416476694094825 1972 6.329058025457755 1973 8.67351600642219 1974 4.851324230190386 1975 5.373018281699046 1976 7.790375124598327 1977 7.9501577583191505 1978 6.329858915417759 1979 7.326732307239013 1980 5.440035277007468 1981 2.194076015074714 1982 2.2492986068403127 1983 7.590459988944431 1984 4.438754362686879 1985 1.4345604491557538 1986 3.5532405328308982 1987 8.664353933806353 1988 8.752333238945042 1989 11.20622638318774 1990 12.87879095964422 1991 5.421469302213097 1992 8.697927872081124 1993 8.418805197994715 1994 7.875917240864894 1995 8.279274097611491 1996 5.033393285349945 1997 -1.4101750092751928 1998 -10.199663909830292 1999 4.066022135878995 2000 7.0372906063725935 2001 5.895618534130961 2002 6.221945244394348 2003 7.346314557601801 2004 7.4282869664330065 2005 4.200862612768304 2006 2.800893453887582 2007 1.1916370122909683 2008 2.8334249275425947 2009 -0.8992160022559119 2010 5.451243063534349 2011 1.8339502060183293 2012 7.332695168576791 2013 0.9540785032013304 2014 0.5332044790856969 2015 2.604257222147922 2016 2.880872750794765 2017 3.087907804430074 2018 4.574109956542031 2019 3.965829519647258 2020 -0.7811916285479441 2021 0.603658158829262 2022 6.16030935943958 2023 7.137861313588772