Year annual % growth 1961 6.615753099172792 1962 6.330915012717611 1963 3.499805701564725 1964 6.835071293065425 1965 13.875680420238567 1966 5.154686834466887 1967 6.839669433160125 1968 7.4596095574499515 1969 2.328881741368633 1970 10.402266218299559 1971 7.666628277434981 1972 7.79075736743944 1973 7.504667380741111 1974 7.709386372918516 1975 0.8450904305290692 1976 9.35686786830361 1977 6.820323187674575 1978 3.674243622845651 1979 7.648525249380583 1980 16.16829126961801 1981 -0.4264289414858524 1982 0.3117738354482924 1983 -2.8448638551910648 1984 3.005793501236596 1985 2.6074642745508356 1986 5.285351872963446 1987 -1.108861536678475 1988 -2.1994442354183548 1989 1.384633457023071 1990 4.5477033764649235 1991 4.041296485546425 1992 1.4203758347083522 1993 1.8408522622344776 1994 5.057012520682875 1995 2.758817051346014 1996 3.4293776729005714 1997 5.235430876060306 1998 2.4443083711259277 1999 0.7804234717731617 2000 4.584685126788671 2001 0.6483581761258108 2002 -0.02786761569832663 2003 1.9138450933580629 2004 3.7704464759604264 2005 3.9832452474598767 2006 5.958528350612525 2007 4.989694175399251 2008 4.487999244356658 2009 -0.8718948116400327 2010 6.270912608488402 2011 5.402749391294009 2012 3.071857705523911 2013 3.452826585688655 2014 1.6959604870214093 2015 0.824129692837289 2016 -0.4688089087691196 2017 2.4859643261482915 2018 1.7311868634774612 2019 1.2174030472837245 2020 -7.5818005654210054 2021 6.915575302513872 2022 5.53566005207702 2023 3.1531351264824536