Year % of merchandise exports 1962 16.82538200565351 1967 23.519171199216906 1968 23.92364285378311 1969 16.26887830902215 1970 19.56072906035658 1971 22.12768407759964 1972 16.997514770531712 1973 12.584248719761748 1974 8.056401577161116 1975 8.058074971457513 1976 9.11998387072742 1977 12.233599809806153 1978 10.84679005182268 1979 9.603353984511203 1980 7.648309241560101 1981 5.0764274699859 1982 4.862414778594823 1983 6.1649268689194985 1984 7.273860559964616 1985 9.963924392244632 1986 13.589486222727484 1987 12.18378199926201 1989 11.901679213273201 1990 11.112560610975613 1991 11.210688697913138 1992 10.190764951324589 1993 10.784520635389054 1994 12.707219109932147 1995 11.390517634552012 1996 11.184012643894823 1997 11.374503891617147 1998 11.293297352477344 1999 11.750377243193336 2000 8.895644538339603 2001 8.882014506677091 2002 11.452783253422497 2003 11.33032724549279 2004 12.253349728107885 2005 11.65885082469102 2006 11.62233539565898 2007 14.619322551370894 2008 17.58104773951377 2009 17.16386190429818 2010 16.243926415688613 2011 16.15026098105444 2012 17.72950025311967 2013 17.49567867969735 2014 20.103363984486528 2015 21.451780449083575 2016 22.27666019812469 2017 23.186100906863803 2018 20.448816858774762 2019 20.303462306357538 2020 23.609696276397603 2021 23.492804597683687 2022 20.398874242664036