Year	% of total merchandise imports
1960	90.89242053789731
1961	89.51028258618139
1962	90.32008659347456
1963	86.93081017149615
1964	88.932944606414
1965	85.71266196862923
1966	87.90508049341418
1967	89.32171535964461
1968	91.34449835655032
1969	90.52556310332498
1970	90.3204383197742
1971	89.08803373748023
1972	91.73571899978002
1973	94.22249539028887
1974	93.99738638013649
1975	89.95354866587448
1976	86.90718988648614
1977	84.30201512042943
1978	85.29989909064926
1979	86.92059689936548
1980	87.21857538110996
1981	88.37104782306608
1982	89.42820903217687
1983	88.399368181691
1984	82.7790499733318
1985	78.94413268976705
1986	84.03951794098403
1987	85.35885319209666
1988	83.97635122654057
1989	84.1271938528927
1990	85.76193481580847
1991	85.62383983290495
1992	87.19085400357855
1993	88.61826626741737
1994	87.44993083400098
1995	83.8983822928638
1996	80.83597451909499
1997	83.7749947595144
1998	82.47663468107368
1999	82.52657545432656
2000	84.09281817984238
2001	82.25841554070755
2002	81.67860226744136
2003	79.46010297964825
2004	77.3539411226646
2005	77.3226268994529
2006	75.15209080244874
2007	77.39585889684373
2008	73.36373635428268
2009	68.9742692612318
2010	68.52913512217822
2011	67.03232940980925
2012	68.36818023261013
2013	66.15358154145358
2014	63.2172696459418
2015	62.255082932833986
2016	54.172976483370626
2017	56.63363414916963
2018	55.98540442490062
2019	49.35442142224284
2020	48.80588519257503