Year	% of merchandise exports
1964	35.00860202632753
1965	33.26056049581106
1966	33.08872663288195
1967	32.3757667127326
1968	35.547681353128105
1969	30.67633584910369
1970	24.32180536287855
1971	25.728144741600932
1972	28.210790158968514
1973	29.992531476436536
1974	49.99695719730542
1975	49.86306300851038
1976	40.04700330553255
1977	31.266900602172715
1978	31.96613756856458
1979	32.72122200973932
1980	40.4871012271442
1981	33.21405566406839
1982	31.921091084861906
1983	32.596916363175
1984	32.95912745906288
1985	38.36396244548369
1986	43.1197771967705
1987	36.49417804568309
1989	41.95298812519688
1990	38.165500191185984
1991	37.86032480160323
1992	33.92847768137281
1993	27.44179863559284
1994	25.41206194621729
1995	24.316444555788564
1997	27.507088002657902
1998	27.46483069211731
1999	25.566290024579857
2000	23.42791513924844
2001	18.936692526679078
2002	16.7360177189512
2003	16.110549242904575
2004	14.100364619111291
2005	76.84824797740288
2006	12.767111640862966
2007	7.191135892560712
2008	10.511310427504359
2009	9.082215670140819
2010	8.346270888792832
2011	11.696385084019923
2012	11.111390269884897
2013	7.332624075106114
2014	8.184960141361202
2015	9.013533268759135
2016	8.815270057318545
2017	8.143964299221633
2018	7.71070807339597
2019	7.09697939752347
2020	6.527065996810304
2021	8.698745761350764
2022	11.295692886001628