Year	% of total merchandise imports
1960	7.898550724637682
1961	8.865514650638618
1962	8.242159008023341
1963	11.272727272727273
1964	15.831265508684863
1965	16.49214659685864
1966	19.535783365570598
1967	20.306822769479208
1968	20.609462710505213
1969	25.215587861544243
1970	27.136662568820913
1971	25.589465960695655
1972	26.446314164415284
1973	25.97375721118632
1974	22.41768032795078
1975	20.03436233691206
1976	17.34416567903268
1977	15.49279241207682
1978	22.316903612338095
1979	23.375841202097032
1980	18.78183949696259
1981	20.82711270492171
1982	24.82678214523651
1983	29.40380014149181
1984	26.3445786022303
1985	20.737146758331285
1986	17.845969575244716
1987	20.290644405808425
1988	21.968560391229442
1989	20.79364908496566
1990	18.11529984147238
1991	20.857361082169092
1992	21.557196733822998
1993	20.271750362519178
1994	22.319700878895656
1995	22.636892800975193
1996	22.376678787982037
1997	24.790225664030686
1998	25.490188155081068
1999	24.95936489254542
2000	27.778186959644906
2001	30.005423590793022
2002	21.740275633038596
2003	22.029738549782095
2004	21.628851226835614
2005	22.733023034042745
2006	26.32403814165417
2007	26.8041611213705
2008	27.909935444583073
2009	30.789987407643522
2010	29.74015649600763
2011	30.109448133195816
2012	30.212756043375656
2013	30.423561263431253
2014	26.46377288750491
2015	28.055837209792024
2016	27.858271546400143
2017	27.606914983736374
2018	28.032382138840045
2019	29.362012302439013
2020	29.819985606802046