Year	% of total merchandise imports
1960	2.0739790463972634
1961	2.515723270440252
1962	5.506216696269982
1963	6.457698447250036
1964	5.592469545957918
1965	4.343293954134816
1966	4.37663951401353
1967	5.676223573704026
1968	6.879543094496365
1969	6.970534191706214
1970	7.021314906930158
1971	7.18232044198895
1972	6.620672320046568
1973	7.961920213781255
1974	12.93800539083558
1975	16.921706607680324
1976	22.380922676252375
1977	22.62435633145588
1978	25.963129052663152
1979	21.318102592344758
1980	37.14600586892729
1981	35.613174539017656
1982	37.62755044065978
1983	36.908908442579055
1984	35.47914923284958
1985	33.910292399839285
1986	19.321431065300448
1987	23.897076986526532
1988	22.052049456715167
1989	22.5726881303667
1990	18.277260770144327
1991	8.88268354696335
1992	8.22098552386756
1993	5.205246125021292
1994	11.975836919730586
1995	13.231220499286444
1996	12.693806829348524
1997	12.16049891452303
1998	11.079480506451848
1999	12.037894598833923
2000	13.467177163981761
2001	15.901303869190206
2002	14.828022514153597
2003	16.71695128066427
2004	17.230565323125212
2005	19.806766788812894
2006	22.019449148312045
2007	22.16645171234691
2008	22.584904975144084
2009	22.86004295242961
2010	25.003350556202303
2011	25.268873530364306
2012	24.125188031452787
2013	23.88776110043976
2014	25.32892901585557
2015	25.864206821490598
2016	27.20182682836356
2017	26.763050625641455
2018	26.201988267460376
2019	24.316196429675056
2020	26.597986486695792