Year annual % growth 1962 -0.5679012343993719 1963 -7.375217283867386 1964 14.316353887141304 1965 6.2148217638983 1966 5.321262972556909 1967 1.7610062921098262 1968 -4.5117428957259165 1969 1.510248114603499 1970 2.0191285794834926 1971 2.4036612215899282 1972 -1.3473247837599587 1973 3.9527248918932685 1974 3.0065689705638334 1975 0.2452783907598075 1976 6.144968560316968 1977 2.0298344847041108 1978 -3.384738633791187 1979 5.583195133029648 1980 4.188481676585923 1981 3.4967025788714636 1982 0.14156344878544758 1983 4.0277587626238045 1984 1.2830002486560659 1985 4.019488428510499 1986 2.107728335866838 1987 4.128440371082377 1988 3.4140969154307044 1989 3.619824096014156 1990 2.920683401046432 1991 2.7728832039325653 1992 2.4454070107540673 1993 1.9554303112383735 1994 2.4907748997615897 1995 3.8343834073768477 1996 2.899618609061278 1997 3.0706372943738955 1998 3.4327747920410303 1999 4.830237350479251 2000 3.701172946149839 2001 3.799692569921163 2002 3.6004984321890134 2003 3.4801007440751874 2004 2.759423382528496 2005 3.256158673812365 2006 3.248658088662353 2007 3.6800000051165966 2008 3.347569999248279 2009 3.170501969082949 2010 3.4744807019385036 2011 2.721961317039984 2012 2.9193458959812375 2013 3.002423648400537 2014 3.0063720736160207 2015 3.0714202731759457 2016 3.096850074921136 2017 3.2411909917063184 2018 3.07387206323466 2019 3.34088611701155 2020 3.4225758575194334 2021 3.8160640003137587 2022 3.973932703953608 2023 4.132506108451949