Year	% of total merchandise imports
1979	7.73746544250657
1980	6.904088829306677
1981	6.529610157722448
1982	9.803593215473313
1983	8.23541949750886
1984	8.57995342518921
1985	7.104168681690686
1986	8.590927338418306
1987	11.285612981270596
1988	14.481720480568292
1989	11.940904215885245
1990	14.792084516325241
1991	16.37624624532217
1992	18.377573934994214
1993	11.844724727289629
1994	7.670501885148637
1995	7.532342397111079
1996	7.078868735739954
1997	8.367033404285507
1998	7.419809238861398
1999	21.49849531011666
2000	19.00563516981075
2001	17.15418596758817
2002	17.94919583233665
2003	23.614067481813553
2004	26.610613298655224
2005	29.862249194261647
2006	36.504956622708725
2007	17.904968619149813
2008	16.370503089161545
2009	16.787794510917763
2010	18.472734032019517
2011	20.109072953901187
2012	17.54045199366673
2013	17.590156306729032
2014	21.15592851427739
2015	21.212156180884303
2016	21.21215580755083
2017	21.212156301103956
2018	22.23626642533631
2019	22.308310312376666
2020	24.135601855073546