Year	% of merchandise exports
1966	38.92888463518594
1967	39.87469417215378
1968	40.10735139461089
1969	36.081749997414455
1970	36.142421493368374
1971	36.60579890428842
1972	34.683879052653346
1973	33.30481461632988
1974	32.72067499014077
1975	35.92136856855086
1976	33.50084296248864
1977	32.65078465102421
1978	29.728623671594463
1979	28.90678501565
1981	26.770863660842892
1983	24.447640726657497
1984	23.97678089199697
1985	24.071019481531504
1986	23.808058699552326
1997	20.50626367828249
1998	20.515497331528234
1999	19.05474627689201
2000	16.724222690016084
2001	17.21125786923149
2002	16.183864431190095
2003	15.453539811836
2004	15.833331548207914
2005	15.514080024077726
2006	13.145453713955272
2007	12.90826046671362
2008	13.382264034567351
2009	13.673490054672182
2010	13.175552382661538
2011	13.450120322324738
2012	13.372977313700531
2013	12.988632106361566
2014	13.80531600693602
2015	13.765565010225146
2016	14.2539854798366
2017	14.030064954209143
2018	12.81571649973521
2019	12.567221313770553
2020	13.57141868139759
2021	12.753845311845575
2022	11.78685344734049