Year	% of merchandise exports
1965	82.03411549889123
1966	78.86082722697925
1967	79.44168532672707
1968	78.05131207291981
1969	79.40215081550652
1970	79.03075008627721
1971	75.80281278334381
1972	78.12826087105125
1973	75.78108808157788
1974	72.18017939348849
1975	73.05683436447946
1976	70.37422414533738
1977	74.40507386218923
1978	69.21273381884654
1979	74.26090154685589
1980	63.697071220780984
1981	65.85196545962111
1982	69.30942792915792
1983	69.28232851424153
1984	72.01143167549796
1985	71.6460662045555
1986	73.68768738656897
1987	68.93207476787356
1994	61.193038453298364
1995	63.431886921793236
1996	65.59951800154515
1997	50.360478745551006
1998	41.43109712969651
1999	28.587532926035568
2000	30.028978273133827
2001	32.465121882471955
2002	31.29735204374155
2003	30.097007031368868
2004	32.34989738023128
2005	29.681993557402027
2006	29.592663309449875
2007	29.997965449615926
2008	31.863406606997742
2009	24.681907640801278
2010	34.617996570225046
2011	35.05651183762809
2012	33.90127065829571
2013	34.35596739640229
2014	37.00708355741414
2015	42.52989396192919
2016	44.372871109974
2017	43.268115549223346
2018	41.094515542886676
2019	39.12214376900116
2020	39.80204415478836
2021	36.525005283115036
2022	35.37382354277982