Year	% of merchandise exports
1970	20.000236631743
1971	19.89232800067649
1972	18.316773945124233
1974	22.15446782958768
1975	29.956610393442475
1976	33.818900083638496
1977	39.0825304405357
1978	42.51242183057022
1979	47.41679267950837
1980	37.93265793533162
1981	29.68705073337672
1982	32.00036730726689
1983	29.500112153329844
1984	36.76798984568727
1985	35.01976663691569
1986	35.096671332635296
1987	43.66940992470554
1993	42.221351619357264
1994	42.76621631909104
1995	38.71500199071864
1996	36.08742191421675
1997	36.74787235701329
1998	38.453300216319555
1999	37.96312073579739
2000	41.5270182807474
2001	41.587908868975
2002	36.34229223496745
2003	33.30951748109457
2004	30.518517941305127
2005	29.72947127699703
2006	29.556402790475232
2007	29.672407646098968
2008	25.898747323185408
2009	23.802286415658163
2010	23.798503274156907
2011	25.731634613685706
2012	22.983314856282675
2013	23.23898544912873
2014	22.80398016808041
2015	24.228221180023045
2016	20.794394625062058
2017	19.28876591637763
2018	21.03630999322195
2019	18.165083272847546
2020	16.93372239032318
2021	16.189717663463316
2022	17.40114958132178
2023	19.148350954923153