Year	% of total merchandise imports
1970	0.9230652924426076
1971	0.7306156083810279
1972	0.9583138588764291
1973	0.7986932402762014
1974	0.7653277908462289
1975	0.8276688222506153
1976	0.8315802515915403
1977	0.8265747265443105
1978	0.425587216562417
1979	0.47114160718587883
1980	0.39882736803749774
1981	0.48939554862116286
1982	0.8065155114035536
1983	0.6429012771215997
1984	0.842109167357185
1985	0.8145227695247241
1986	0.6157774240163634
1987	1.4500717879690759
1988	1.3831910211076799
1989	0.8505896776242555
1990	0.5924520885472498
1991	0.5540445272352199
1992	0.544132844035582
1993	1.436622206969081
1994	1.4782443402830903
1995	0.5378533138091209
1996	0.5375071112056444
1997	0.5036638151553325
1998	0.4918214614689948
1999	0.5010314830677309
2000	0.40218250251523435
2001	0.43077473150767265
2002	0.4526741362315869
2003	0.46170021504671077
2004	0.3848445059646744
2005	0.34198078944514015
2006	0.35940427010455156
2007	0.4006957319899123
2008	0.424858185577644
2009	0.44746685057041335
2010	0.4634919829469817
2011	0.5277599939249542
2012	0.5422377282059262
2013	0.6546613179881059
2014	0.750314485855893
2015	0.8995744341461677
2016	1.0065698556942864
2017	1.1399613941970472
2018	0.9404416174956034
2019	1.0660839269155087
2020	1.1469542529075305
