Year	% of total merchandise imports
1960	6.290485101482654
1961	6.614785992217899
1962	5.834950007461573
1963	5.130093274423171
1964	4.844649021864212
1965	4.4960267670430785
1966	4.7410794155650535
1967	4.418948085879814
1968	5.5121892638405185
1969	8.049630946822568
1970	7.250774689722718
1971	7.154519815941813
1972	7.360920656374456
1973	6.104605848317852
1974	7.6482861727353875
1975	10.50667445856373
1976	10.304207159514425
1977	9.424047939967926
1978	8.405461486432264
1979	8.604417736837828
1980	7.319313856561539
1981	7.989499137404274
1982	8.569647221327584
1983	9.111845604579157
1984	8.00998897321139
1985	6.466420131988294
1986	5.908454187951904
1987	5.234965029196187
1988	6.279694669722137
1989	6.434227670612981
1990	6.495945288956675
1991	7.259166153605569
1992	8.582571352340338
1993	9.240289869611154
1994	9.993310500297131
1995	10.77768464751274
1996	10.941861109479966
1997	11.992888028619006
1998	14.404999686357556
1999	14.24337224643651
2000	16.056022002457773
2001	17.537243096245874
2002	18.1812333822324
2003	19.312329495885642
2004	20.285399989829497
2005	23.0483968231189
2006	24.819653318973252
2007	26.439261824482323
2008	28.466142724362953
2009	27.94493534650367
2010	29.940127241285946
2011	30.665305670902775
2012	31.031125655008957
2013	33.55106222073656
2014	33.18564909367299
2015	35.72433754857466
2016	35.377727326441395
2017	35.62526513185592
2018	36.076690609280426
2019	37.17886917168643
2020	39.05556649312233