Year	% of total merchandise exports
1960	37.28418055510955
1961	36.73164449949374
1962	31.943581685972156
1963	31.205875281414613
1964	30.86611335262257
1965	32.323701316436335
1966	36.142040580596394
1967	38.20047528033545
1968	32.73024957542377
1969	33.256173568528894
1970	33.91984799338906
1971	35.73611294095977
1972	35.17025644433303
1973	38.16273106061449
1974	40.26537280687671
1975	34.964086070300645
1976	37.940196537074534
1977	36.09005699048353
1978	37.04903720094931
1979	38.16962074798192
1980	38.925429382091146
1981	36.42506710992143
1982	36.95914859619803
1983	38.79725738042933
1984	40.02674620365899
1985	37.91889098532912
1986	37.66133495974815
1987	42.794485961101
1988	45.29896924401749
1989	47.76634364643492
1990	59.65263049595608
1991	68.70025439775482
1992	68.98181869524811
1993	77.03927068684628
1994	78.61981833819597
1995	78.73077286833471
1996	78.46599992945066
1997	81.48831042323688
1998	85.59214434688879
1999	88.96652748541871
2000	88.89826804421239
2001	88.88602870520128
2002	89.00125606169597
2003	89.3912896779709
2004	88.15392718137193
2005	86.67851961744273
2006	85.8698030041683
2007	85.16910006150404
2008	83.82106783258256
2009	85.21044944755882
2010	84.07284737450289
2011	83.55157872108774
2012	82.10901544458343
2013	81.96499043672102
2014	83.6020015371742
2015	85.70230010081943
2016	85.83806704597596
2017	85.34708760230029
2018	86.15069005124734
2019	85.84616214183013
2020	85.84855801913932