Year annual % growth 1962 5.127120099192979 1963 4.258930716054891 1964 5.503021893734754 1965 5.497790867773006 1966 5.894113497346524 1967 4.844352877810707 1968 5.003463543340558 1969 4.902420640057841 1970 3.57769242985988 1971 4.998451038768522 1972 6.008031601138541 1973 6.22195882399123 1974 5.366698710460184 1975 4.653228188599883 1976 4.197200638067059 1977 3.2194385950908213 1978 2.4371295880400794 1979 1.9689425938802714 1980 2.0151559364464333 1981 1.3394161155511455 1982 -1.4732145503042915 1983 2.075656488800817 1984 3.3751797997652204 1985 4.631826319895183 1986 2.90559229552521 1987 3.1774336369083045 1988 3.7856264964813278 1989 3.146051148256859 1990 1.9123841133891375 1991 -0.1114812536528973 1992 1.3254374306272325 1993 1.2463543218679973 1994 1.7109281098651223 1995 1.3187217467676646 1996 1.6075497030086012 1997 3.4147197054722653 1998 2.5253899654624092 1999 3.478178095245397 2000 3.902257431545081 2001 2.6611935425217865 2002 3.540009823779826 2003 2.7792962920222095 2004 2.748295428745635 2005 3.173525798801279 2006 3.8187592700048754 2007 3.8763693914802815 2008 3.1995938170060754 2009 0.780421325737521 2010 3.2174723806969325 2011 2.0122874764298757 2012 1.566812919023036 2013 1.686292446095436 2014 2.030998109018725 2015 2.066157733566641 2016 2.0175296495053487 2017 3.264352348348524 2018 2.7738364351010887 2019 1.450549259845289 2020 -4.234703190538994 2021 5.194120982704376 2022 4.540860444477232 2023 1.6510853946682715