Year	% of total merchandise exports
1960	9.920445996298014
1961	11.840772014475272
1962	9.968367959179874
1963	10.376133094012955
1964	10.717983431479697
1965	11.020212696803295
1966	11.734689914092836
1967	12.81694678910203
1968	13.088528168513838
1969	12.793263072106026
1970	11.09719272604644
1971	10.398793108767201
1972	9.550977672677865
1973	9.827769966855824
1974	10.576565774731979
1975	10.829094016020244
1976	8.786081824847756
1977	8.891177204838804
1978	9.316968892722096
1979	9.856591054727785
1980	10.699288339347175
1981	10.472103251427582
1982	10.549201774531793
1983	10.65931914961798
1984	10.440037099756566
1985	11.883836993250837
1986	9.834969933014072
1987	9.979906861949903
1988	11.014619029765523
1989	11.554798217787845
1990	11.951478334231167
1991	13.160344148995351
1992	14.376596777236156
1993	16.403997421979565
1994	17.45983090435899
1995	18.48703485864151
1996	19.30724426264803
1997	18.83655089874317
1998	16.565969263797083
1999	17.02490085065664
2000	18.134097466231985
2001	18.88454973651765
2002	20.09923783564157
2003	21.879770103235987
2004	22.1418536251707
2005	22.230826842208995
2006	21.91551833371883
2007	22.198464815180646
2008	22.301192174823203
2009	23.991251583514618
2010	24.999320250738247
2011	25.278011865799204
2012	25.73883217558064
2013	26.323864726508805
2014	25.83381433517975
2015	26.03811825222529
2016	25.99602132260173
2017	27.795476365789728
2018	28.205721157791153
2019	28.427976185044596
2020	28.178844102312883