Year	% of total merchandise imports
1960	0.1972153290637027
1961	0.14859340886166386
1962	0.18103224102914253
1963	0.21932520225266447
1964	0.20015440181916475
1965	0.2567796217795962
1966	0.4481559032409883
1967	0.3305094220327288
1968	0.29445006175629856
1969	0.3719265712942346
1970	0.23703296160333104
1971	0.2806500745605373
1972	0.5612355599543497
1973	0.642698942479805
1974	1.1390383118985825
1975	1.0890739818866457
1976	0.8508407172643627
1977	0.699358916267991
1978	0.9243462852794386
1979	0.7783478652010493
1980	0.8924584083539003
1981	2.2356572169124367
1982	1.438264586056179
1983	1.4820117917177975
1984	1.8356617585968276
1985	1.447774869157989
1986	1.8562184122421226
1987	1.269316582484261
1988	0.8862729013888185
1989	0.9665722847629765
1990	1.1520932358083729
1991	1.0162228054886775
1992	0.9719709905718619
1993	1.4346817410263129
1994	1.7824097697224954
1995	2.309976834996997
1996	2.498576421290426
1997	2.8748978060080574
1998	3.066692644110556
1999	3.029041994611254
2000	3.8769581205108437
2001	4.681957527574098
2002	5.52810651441411
2003	7.179421700092601
2004	8.527465075916037
2005	9.574533364543344
2006	11.300821984222852
2007	12.57438245092829
2008	13.13504030631536
2009	14.811049096877946
2010	16.587911053449538
2011	16.84926414198748
2012	17.3764297314007
2013	18.24776392512343
2014	19.15968716877843
2015	21.344439585527343
2016	21.851264438562545
2017	21.86365649404126
2018	22.149835784245568
2019	23.342166195584845
2020	24.761007108093473
