Year % of merchandise exports 1962 5.319783715992829 1963 5.1996265724750055 1964 5.681345701258484 1965 5.836384990222405 1966 6.132774688082741 1967 5.4530269463844805 1968 6.220659197248338 1969 5.755822183370907 1970 5.333872846452608 1971 5.07771196913069 1972 5.438356122855239 1973 5.4113130470064545 1974 4.808628865644607 1975 4.108024346335641 1976 4.714474621432786 1977 5.010644410073754 1978 5.055742187445186 1979 5.8356137258857705 1980 5.303462897000836 1981 5.329890742188667 1982 5.635772975184953 1983 5.09047008997861 1984 4.397592291084177 1985 4.458519888156817 1986 4.558882201737023 1987 5.33137480789715 1988 4.702203757198009 1989 4.171220582997482 1990 3.4045627506774716 1991 3.4577554226791407 1992 3.2229615281436175 1993 2.862773871223168 1994 2.861957313711617 1995 2.8787007178131776 1996 3.0748477345788894 1997 3.064966043900684 1998 2.852914037461387 1999 2.6083369613321543 2000 2.5186014418164997 2001 2.5769659352095324 2002 2.86224166602118 2003 2.830725974307136 2004 2.7536247879214835 2005 2.551276995654087 2006 2.751720461648726 2007 2.386742516329639 2008 2.333237731186079 2009 2.484929881646654 2010 2.9273005724641528 2011 2.967938582310303 2012 3.2633910850665924 2013 3.5749925003436953 2014 2.7297470123213503 2015 3.1242336299079527 2016 2.827297877898951 2017 2.9444845028285 2018 2.719514394561033 2019 2.5385353472749883 2020 2.3129443318055496 2021 2.2770985584637335 2022 1.8357576717866844 2023 1.6286024129063388