Year	% of merchandise exports
1962	31.132045917929723
1965	71.47422423176909
1970	77.79431268920052
1972	72.04176083837339
1973	74.52583651897505
1974	80.11495724200614
1975	70.67201564215809
1976	56.311504740315584
1977	59.1412191762139
1978	51.78726053085596
2015	70.68939646757751
2016	69.27685240986172
2017	56.505371028086905
2018	45.231343284526844
2019	67.1352960154318
2020	74.14768371704523
2021	71.02366157921021
2022	83.10969279623288