Year	% of total merchandise imports
1960	2.1048052456691146
1961	1.6730681268958512
1962	2.4560118377654474
1963	2.6442530314829873
1964	3.1453340267202763
1965	3.9102853925239813
1966	3.7443818917628
1967	3.590570125102828
1968	3.7553165148664926
1969	3.9475198107288736
1970	4.1562129635271
1971	3.7754528255569944
1972	4.3284725473072685
1973	4.315996894371728
1974	4.145958281466224
1975	3.9319755485484866
1976	3.9060859270227315
1977	4.043659755581856
1978	3.85482189277427
1979	4.459998346786263
1980	4.324705637424243
1981	4.206061377703262
1982	4.432248475910458
1983	4.532630825301238
1984	4.852838149555497
1985	4.895780481642972
1986	4.400160881348746
1987	4.384106912708467
1988	4.348057124200228
1989	4.528390828765321
1990	3.9399437343396118
1991	3.900799098490616
1992	3.9085413038117487
1993	3.9224337580755093
1994	4.1184876583223
1995	4.168687250555043
1996	4.465760992025993
1997	4.759351845050233
1998	4.89175897685641
1999	4.169163531878818
2000	4.029922154395288
2001	4.324005243411665
2002	3.8651383658586616
2003	4.156572141973373
2004	4.255749752364592
2005	4.512987894455821
2006	4.578524866626229
2007	4.75533601129425
2008	4.900505224218536
2009	4.969489753422495
2010	4.995636664330995
2011	5.08809933154949
2012	5.056100904287597
2013	4.95897322437815
2014	4.898274534364683
2015	4.812853682801793
2016	4.876010957889864
2017	5.00565863146826
2018	5.007556589283622
2019	5.079122981985242
2020	5.248432747684326