Year % GDP 1960 2.0288430471802377 1961 1.992793063884462 1962 1.4487359540521954 1963 1.4245227848670696 1964 1.2254503639895042 1965 1.9127386053759254 1966 3.128262490678598 1967 3.040380047505938 1968 1.8116779011311348 1969 0.6430301695661749 1970 1.8645971020017484 1971 3.5255195695022197 1972 3.6654530779072463 1973 4.3378764976534585 1974 4.94192962346173 1975 9.8545172344955 1976 12.949687450766492 1977 12.70042283468697 1978 15.915762768646841 1979 19.765033527043627 1980 27.551709216789266 1981 34.68271165454264 1982 38.711124961047055 1983 41.73551516443686 1984 38.65469866275875 1985 55.71821050546573 1986 42.38755070993915 1987 20.75146895584436 1988 18.761434521406812 1989 16.146136911676678 1990 32.95197487447401 1991 15.63478944101266 1992 8.892011272383543 1993 5.950628121411594 1994 86.90126800606555 1995 62.12968124854584 1996 49.58017696543038 1997 56.74403137728598 1998 48.201152988571586 1999 47.81497843508591 2000 51.37716480852612 2001 0.03391175950516238 2002 0.027690473244576297 2003 0.02383060698891534 2004 0.018578618064608598 2005 0.014571275408314552 2006 0.013772418002345244 2007 0.004459276196026987 2008 0.006101502349963874 2009 0.0054805626459166115 2010 0.00869085849831504 2011 0.007936170760813589 2012 0.0069369263300770026 2013 0.006047459482041615 2014 0.008237415521601121 2015 0.01175044274716509 2016 0.014116013029895558 2017 0.01591863934722799 2018 0.016344624425444352 2019 0.01728094014707959 2020 0.021741068759567963 2021 0.02341659762689275 2022 0.024248487017524644 2023 0.02415983859966982