Year	% of total merchandise imports
1960	3.7548989852337655
1961	4.067337689092943
1962	4.5149009577062635
1963	4.94634883800777
1964	5.6852099124219455
1965	7.082749042996703
1966	6.447427129494271
1967	6.615979649951383
1968	6.5041393748611815
1969	5.7691009595560825
1970	4.965480354242305
1971	4.959981071663551
1972	4.735666425942395
1973	6.564901629560076
1974	7.833792446801915
1975	5.193066437619586
1976	4.972060446877833
1977	4.850622484878365
1978	5.076587298120872
1979	6.6136170133564764
1980	8.198392594719614
1981	7.25991498961081
1982	7.589805752542852
1983	6.624279704335493
1984	7.077853010879416
1985	8.763363684892848
1986	7.254652222823337
1987	6.152911978216878
1988	7.451121978069776
1989	7.15483757465739
1990	6.5045259739769365
1991	7.066123372674203
1992	8.958858036800002
1993	9.957378393085582
1994	9.350816015975285
1995	10.678479472685192
1996	11.608836709125523
1997	12.045748172151969
1998	12.42599699775565
1999	14.022698591342643
2000	19.897747451595098
2001	19.43234364520522
2002	19.25052241789709
2003	16.927414114978355
2004	17.126992954890767
2005	17.852063497184968
2006	19.305103900953135
2007	21.477979301980263
2008	23.980333616411706
2009	23.659728146739383
2010	23.7318738827124
2011	23.291782279520678
2012	26.432489930308368
2013	25.963920118663115
2014	28.8331375760776
2015	31.9518573447096
2016	32.105113606115395
2017	32.60212381693464
2018	34.077056375513884
2019	35.312751076093555
2020	37.033790514834074
