Year % of merchandise exports 1962 11.813348836819289 1963 24.012303447816723 1964 26.229959818893388 1965 33.03516365462411 1966 42.66385336448335 1967 38.534328350181184 1969 29.733233245131295 1970 24.878227996375422 1971 30.74656054907355 1972 37.56879686409909 1973 47.14816656379529 1974 76.70657314450222 1975 65.50584076901248 1976 52.88852904471067 1977 48.93827771325014 1978 39.23163095790431 1979 46.72193546792076 1980 40.35782022680378 1981 50.783744978025695 1983 42.07586810677568 1986 48.42059065580979 1987 46.05944227663028 1988 50.140264197406026 1991 49.2761875879208 1994 42.1404004546313 1995 32.14371286839462 1996 36.49936629793412 1997 34.654923656557365 1998 40.16511811277789 1999 26.647731183532297 2000 25.505791612377486 2001 20.50868359694877 2002 16.74169404747335 2003 9.241360669259885 2004 12.691670169028335 2005 10.268549143828283 2007 12.795285645093093 2008 18.355882981048442 2009 19.4071524468103 2010 13.04951892348421 2011 14.205882244910212 2012 17.97155476876222 2013 19.060327885561207 2014 19.951823646729068 2015 12.996391550986628 2016 14.824419761223181 2017 8.633882091981608 2018 11.705615040877055 2019 8.534267986708812 2020 12.389473822934807 2021 14.794032443918436 2022 28.443316216468844 2023 26.97518951595901