Year annual % growth 1961 3.668652612282301 1962 3.8659622908423756 1963 4.083847627154725 1964 3.10985708151874 1965 9.107674003569315 1966 10.041255474983174 1967 5.342868467992346 1968 9.157612529984476 1969 3.2014822475008486 1970 7.564054388821617 1971 5.197443328847953 1972 4.286329254043423 1973 3.1855171600424512 1974 2.522545176075269 1975 8.887600615398327 1976 8.228729394901208 1977 0.639503533351629 1978 2.9807394038521267 1979 3.308870511346001 1980 2.2574859293685137 1981 4.542312544282595 1982 1.5034176095742708 1983 2.542952528295757 1984 4.6612087379797345 1985 8.834396789147434 1986 4.343764595983174 1987 3.387939443338368 1988 3.762221403692422 1989 2.942623512340333 1990 2.6497918884909524 1991 3.200806242485683 1992 2.549298428960583 1993 2.5427268322836056 1994 1.0872339616698525 1995 4.309682549062785 1996 4.22484433022079 1997 2.1070941471803337 1998 4.046402230094671 1999 4.8797845471163726 2000 3.222458754656742 2001 1.87844259407251 2002 3.3274572153948725 2003 2.7717462286945818 2004 4.49604644974761 2005 3.0533596837944827 2006 3.1399131121060435 2007 3.0790079665889607 2008 3.0862463099983017 2009 4.142326432820951 2010 1.6475704878411221 2011 3.120619228507394 2012 3.8029975154283875 2013 0.5716593563561077 2014 1.650308270143853 2015 2.204192846540181 2016 4.800463845884934 2017 4.902489891004549 2018 3.5415503298794135 2019 5.023133178696 2020 7.378068350668656 2021 6.554945213092168 2022 6.751373983148582 2023 1.6869843135957296