Year	% of total merchandise imports
1964	25.808602867622543
1965	26.893436088227478
1966	23.5281243160429
1967	24.05265257279617
1968	30.749083289680463
1969	26.421404682274247
1970	28.0180307085505
1971	28.038183820829765
1972	25.248789079700572
1973	23.153207852661403
1974	28.152451615161166
1975	22.23567105731577
1976	16.37085178581699
1977	12.172951725832206
1978	8.880665595345157
1979	8.857539792145044
1980	8.716651638909516
1981	8.109366042490876
1982	7.12860814915938
1983	7.29953089028754
1984	8.188260851500779
1985	9.522519357037327
1986	10.58475126096147
1987	11.436919388672461
1988	12.89466283995895
1989	12.708317441149287
1990	12.637941391154813
1991	12.985877413161614
1992	12.569696630977994
1993	16.42733904944179
1994	15.849810718595936
1995	18.58220161028142
1996	19.473757772238685
1997	18.546168167206655
1998	19.855720197692417
1999	20.48528941544432
2000	20.274657647373665
2001	20.660599553467097
2002	22.128027362242136
2003	22.691071387039795
2004	24.50988809943421
2005	26.843353468150184
2006	28.174049701195162
2007	28.47702221481078
2008	31.7816245861944
2009	31.01192306716762
2010	33.434328756079815
2011	34.31488233333075
2012	34.19848732983606
2013	34.258441585290214
2014	35.47661815715286
2015	35.32595833118649
2016	36.16217836682861
2017	37.645510033617384
2018	37.138786004896154
2019	40.67681791870337
2020	41.97326579770909