Year % of merchandise exports 1962 7.157045597196828 1963 7.854364619769407 1964 7.2757209124602324 1965 6.753527114548457 1966 6.578114396589552 1967 5.993416919645658 1968 5.793579081355182 1969 5.481525421369419 1970 5.158132291633789 1971 4.775741235745195 1972 4.901603468228229 1973 5.144967168067015 1974 4.481647579743275 1975 3.8180446278215343 1976 4.372729509520119 1977 4.045053132608194 1978 4.005390657068083 1979 3.9755410812695122 1980 3.660829004058439 1981 3.301699205071533 1982 3.0681094099668336 1983 3.103943259172545 1984 3.1693419324648917 1985 2.9925062801683198 1986 3.1211226115812347 1987 3.350537754609161 1988 3.243255392495158 1989 3.3031960512480567 1990 2.9976396695622367 1991 2.764460414253419 1992 2.711626134702145 1993 2.5375694266027655 1994 2.728701760437649 1995 2.7871623366827056 1996 2.4012480687287754 1997 2.2567065260127595 1998 2.070578614038016 1999 1.9436667390097253 2000 1.9300077707511465 2001 1.8385120258646293 2002 1.8362308038078494 2003 1.8170806252300162 2004 1.7727440904238498 2005 1.662042988460923 2006 1.5897236350467803 2007 1.5792364051335286 2008 1.4473753566911653 2009 1.4994982621413901 2010 1.6302811356503992 2011 1.6905253467863195 2012 1.6046052459801674 2013 1.6315516204640588 2014 1.59926985420452 2015 1.611660289486106 2016 1.6285120614865045 2017 1.5787880960337999 2018 1.569715192093084 2019 1.4518519714181994 2020 1.486008858973507 2021 1.5791712251264778 2022 1.4400613449472925 2023 1.303137645790335