Year	% of merchandise imports
1970	0.5728340890786447
1971	0.5779441420141559
1972	0.6837822331339566
1973	0.6637607348451569
1974	1.294801371981449
1975	1.324326781692813
1976	0.9795800375997812
1977	1.0452486121208737
1978	1.1997266109150206
1979	1.1047233619109822
1981	1.0114528823238234
1991	0.4892366118171471
1992	0.45583429334782016
1997	0.5241260691706954
1998	0.50648106809336
1999	0.4378560235010766
2000	0.4490153362519374
2001	0.3429309046164208
2002	0.4186577695265369
2003	0.4873559423771013
2004	0.374504838239867
2005	0.6678805379622238
2006	0.47010172895708385
2007	0.6638561554614228
2008	0.49716254080946365
2009	0.7091328545424407
2010	0.7040167870398487
2011	0.6172473576481315
2012	0.5811847229409565
2013	0.5233374100179274
2014	0.5435550419069594
2015	0.7446600389837251
2016	0.8992770009649955
2017	0.883273617019297
2018	1.4536326364924457
2019	0.6910310153322269
2020	1.0536294682728307
2021	0.5890696131454768
2022	0.9152386719301585
2023	1.5521941508693589