Year % of merchandise exports 1962 40.4973197950196 1963 39.62180233627749 1964 42.209750741429026 1965 45.6107980263369 1966 46.2848632248206 1967 46.393953460182324 1968 48.3614993584622 1969 52.57485648017113 1970 50.24967637704689 1971 51.6510095175879 1972 52.79237069451522 1973 53.364135617047545 1974 50.227999026314976 1975 44.034884930472 1976 51.033256581088445 1977 54.509394152234435 1978 58.38941547749417 1979 57.37192528285138 1980 57.495085507423674 1981 58.483679200598516 1982 50.20271051300945 1983 51.76208823729608 1984 54.068947157254335 1985 58.299386314770715 1986 62.340683048366785 1987 66.670763047534 1988 70.71672933291741 1989 70.86748357239917 1990 70.81848293819796 1991 72.61219893074922 1992 74.44128909743284 1993 75.01571447120837 1994 76.60426141237608 1995 75.07599262075543 1996 74.39558699146937 1997 76.25556298104912 1998 77.8657022094916 1999 79.25807097311456 2000 79.32458679910053 2001 77.16450211997666 2002 76.99998875339514 2003 78.4623452531744 2004 75.93240683439173 2005 73.24660297859624 2006 69.36498009107183 2007 67.19569028648667 2008 65.78167032994702 2009 69.44543074663517 2010 66.21206158136401 2011 65.03160996907935 2012 66.10255768512756 2013 64.40725760512433 2014 63.527798274790364 2015 71.73636464748861 2016 71.76441743556674 2017 69.99254235311564 2018 69.42984450874174 2019 70.9764638665039 2020 71.01605440358975 2021 68.48899140086098 2022 63.487690338638835 2023 64.17132885109842