Year	% of merchandise exports
1974	35.9141546152253
1975	37.65283363822267
1976	32.96089299882948
1977	32.5276869891322
1978	23.264589238239626
1979	27.830822708107046
1980	30.4971895859678
1981	51.952400252642924
1982	34.458872632165516
1983	48.40338149887809
1984	42.01997486946497
1985	59.085595034978
1986	64.84415916425526
1987	57.812395753890186
1994	91.29665288233295
1998	71.16102485162573
1999	77.05260957564866
2000	66.75359565132551
2003	74.03243168247701
2009	66.51974164926382
2010	71.9024275727645
2011	73.84838811415919
2012	68.57579921097235
2013	68.7393696198293
2014	67.87126970518133
2015	67.95492674369218
2016	70.74446189241179
2017	68.3231217517931
2018	66.25648991327715
2019	51.254857503344255
2020	45.415702957026625
2021	30.951336379663402
2022	47.5151762006836