Year annual % growth 1961 6.849958947250357 1962 7.763568059485877 1963 4.850589159455126 1964 9.831479708542346 1965 -2.132700930083004 1966 7.101958874253086 1967 2.1223498354570722 1968 6.665906400376059 1969 7.532290334258818 1970 6.325278386590142 1971 7.639729985970362 1972 5.809301998231447 1973 4.850728760634453 1974 6.033939509409606 1975 2.958873277373783 1976 6.974543944751872 1977 4.038327067533729 1978 8.398113227653155 1979 4.311008683467946 1980 4.412942167163365 1981 2.9144939708230027 1982 1.4773559612662552 1983 0.45126556348529334 1984 2.8634295709775444 1985 1.8762887579193261 1986 3.2353866161124074 1987 3.7743930355109256 1988 3.7388623160013594 1989 3.230507702910643 1990 3.0164693945787633 1991 1.5713059611372984 1992 3.03470798384528 1993 6.099980882162214 1994 5.922967015829201 1995 5.443624968955135 1996 1.0429580874861415 1997 2.40672623859561 1998 -0.8069645380940784 1999 -5.396246795972033 2000 1.9971280989370825 2001 1.5481877935955168 2002 2.0001010678076625 2003 2.942313027543861 2004 3.8635718283317004 2005 4.432749923119772 2006 6.369196624429009 2007 6.552851708976618 2008 4.11500249202426 2009 1.7082760263021015 2010 5.052609447720258 2011 5.5007459563706504 2012 5.633866576415585 2013 4.62689734830397 2014 4.2490818199372455 2015 3.092515398028752 2016 1.5836286984154668 2017 2.0538143670532065 2018 3.2364963631430044 2019 4.070555158947499 2020 -5.007267062933423 2021 14.724089489311282 2022 10.684351068569669 2023 1.0962768651954207