Year	% of total merchandise exports
1960	78.23148020416609
1961	78.29511886341257
1962	77.59912794658673
1963	78.68206521739131
1964	77.79524258618883
1965	76.61333050757656
1966	69.83583041122091
1967	72.37241578719097
1968	73.87688549772103
1969	71.07278885008598
1970	73.88486529683232
1971	76.3995657781453
1972	75.18813401557661
1973	74.61337882768046
1974	73.08812529749088
1975	68.83441740422592
1976	70.28261071374133
1977	68.65084995190797
1978	68.49037889005197
1979	68.67288621090242
1980	67.60130580453576
1981	63.3117943592024
1982	64.82332822853863
1983	68.1302816008922
1984	71.276180641918
1985	71.92922654726655
1986	78.93470602019521
1987	80.26949195119482
1988	81.68013774981986
1989	81.88194160861245
1990	82.19231741939063
1991	82.3998348221653
1992	83.37359941044107
1993	82.04484268389538
1994	82.68621850527099
1995	84.01844128659305
1996	82.9497035753453
1997	84.87841637985125
1998	85.14926314109175
1999	85.6085793930976
2000	84.51245187862025
2001	84.97481901291307
2002	85.12607344603049
2003	84.87116180767164
2004	84.10976233604066
2005	83.1311606644646
2006	82.54847708393774
2007	81.79709373532394
2008	79.84524545460982
2009	80.25814553320203
2010	79.44647369184675
2011	78.14856375566511
2012	75.93450279408829
2013	75.3894294900487
2014	76.65639655843935
2015	78.18351804210818
2016	79.32374536504115
2017	78.22654113904441
2018	78.35016458065371
2019	79.16178658545347
2020	80.62533468364738