Year % of GDP 1960 2.129133197463218E-06 1961 1.678584722678414E-06 1962 -4.6918401315670435 1963 2.16987435263046E-06 1964 1.5300214013202545E-06 1965 2.0752914653873757 1966 1.6632293500579602 1967 2.498532079580654 1968 1.0807420402560644 1969 0 1970 0.8656892710847356 1971 -0.6007231529661509 1972 0.3598884808955271 1973 1.903166930826691 1974 0.6135617375876511 1975 -0.15462069746369622 1976 3.253891968551618 1977 2.2894982574917235 1978 2.892983503792671 1979 0.18114629237801821 1980 -1.421727098453999 1981 -0.45087851826345876 1982 2.5695000572016933 1983 3.3153712667823547 1984 2.83340919435594 1985 5.462770970782281 1986 1.8379222964513577 1987 0.2974417438486562 1988 3.3197673371630256 1989 6.479020115244352 1990 5.728214185108631 1991 1.5970325377551842 1992 -1.5346056422782424 1993 -2.404448380367315 1994 -3.0744484151646985 1995 -0.4106025711952115 1996 -0.6492748936936374 1997 -2.214478639891552 1998 -2.5188640508850613 1999 -1.728395932605115 2000 -0.6496943126190277 2001 1.3057607135181204 2002 15.012469639772219 2003 11.21713782173635 2004 7.002592739031351 2005 5.940482497091311 2006 5.6199093357079075 2007 4.38033000444218 2008 3.7191273862102414 2009 5.064843206675749 2010 2.8966335471722044 2011 1.6922632906666117 2012 1.949176552338325 2013 -0.09958222522657942 2014 0.40416353352368417 2015 -1.0749219880716256 2016 -1.0396975108779904 2017 -2.6490344183311807 2018 -1.8891644551858526 2019 3.219141709842513 2020 3.0071300670808796 2021 3.0631516338292126 2022 0.9486093784251988 2023 -1.1329673113570788