Year % of merchandise exports 1962 71.14927028533864 1963 73.75692538064004 1964 69.29420912931519 1965 67.33806461605667 1966 68.91485909425646 1967 68.00542250212581 1968 68.76696765922213 1969 64.62033967681542 1970 63.25015853286804 1971 59.92598093919861 1972 62.71077683455014 1973 61.74351660472857 1974 57.8889466041662 1975 54.084093534349975 1976 59.591249748245914 1977 61.5943011265199 1978 51.96767906171627 1979 46.544717380750974 1980 46.26332164051147 1981 41.373800806008006 1982 39.63116566848015 1983 40.31114347296733 1984 38.76549047957214 1985 36.77370934870379 1986 34.41425197335372 1987 32.293920734076934 1989 27.257486980136182 1990 27.688330768654506 1991 24.930570454177463 1992 25.400085531358407 1993 25.268805997297754 1994 28.941803289094135 1995 28.509961566198918 1996 29.89880136328206 1997 30.966499498028334 1998 29.6175199784671 1999 28.733863231700074 2000 23.23647283426794 2001 27.472584708146698 2002 27.76264011638794 2003 28.532411866980272 2004 27.881671419185665 2005 25.67487140472157 2006 24.91996487042804 2007 26.31996729467632 2008 27.702502292225468 2009 34.13530626950483 2010 30.335763057046584 2011 30.490870761595435 2012 32.34154433027933 2013 35.296991254761586 2014 35.65229207477073 2015 37.97789568066474 2016 37.87819066682212 2017 36.100420202109746 2018 34.63881499372058 2019 34.52571951243279 2020 38.90947131576494 2021 34.77716323822643 2022 39.52739434445067 2023 42.086455162538904