Year % of merchandise exports 1962 6.580242742844631 1963 4.434424187398915 1964 5.9041628981395355 1965 7.601802592014282 1966 14.05129172991326 1967 6.743267057385277 1968 7.738967239201171 1969 6.901905444611144 1970 7.579193311950045 1971 6.003334707576581 1972 4.395458226412614 1973 4.229664009729536 1974 7.2363452433865865 1975 8.36681101702193 1976 6.394864308704673 1977 8.220116146128518 1978 5.703538799456508 1979 6.364191175912841 1980 7.034407167349889 1981 4.57126107846751 1982 3.646737178233164 1983 4.45949226098386 1984 4.446519638267514 1985 4.304088719604112 1986 4.651531200420714 1987 3.825298241943156 1989 5.911054233282203 1990 4.472398685238983 1991 3.3704196751752376 1992 2.910496502362187 1993 2.5946908165814087 1994 2.6234555333291483 1995 3.30526954295593 1996 3.060303335736084 1997 3.0463139233215504 1998 2.879149539756652 1999 2.788928284300638 2000 2.587422982141873 2001 2.2207337200452706 2002 2.0085603502605736 2003 2.00613415868092 2004 2.1762687302951313 2005 2.468019618583875 2006 3.300228929267358 2007 3.467924981487864 2008 3.308857631404311 2009 3.0641648801022296 2010 4.334385509444312 2011 4.1656776254155385 2012 3.9116817174710965 2013 4.125296563555751 2014 3.7727574031646913 2015 3.546720115668353 2016 3.448900748704094 2017 3.919291799213832 2018 4.068885804719207 2019 3.7199895636618074 2020 4.032077725918123 2021 4.9556958830399935 2022 5.235769056844854 2023 4.365403260187513