Year	% of total merchandise exports
1960	81.32295719844358
1961	84.00868306801736
1962	81.41112618724559
1963	79.16434540389972
1964	80.61740890688259
1965	74.35028248587571
1966	74.12914188615123
1967	72.18934911242604
1968	64.06572637047891
1969	64.99930775558072
1970	65.64040354406276
1971	55.23437806037599
1972	50.57784118283809
1973	51.94403115379988
1974	55.644236033419816
1975	57.692248794058344
1976	71.7898919546388
1977	79.1713835630387
1978	76.62038057129763
1979	66.23248946399953
1980	62.58376746562671
1981	66.12763530356162
1982	75.73858850517034
1983	75.46872559422178
1984	77.8044429342055
1985	77.56774186727563
1986	89.07061665946394
1987	80.45442007998896
1988	85.58777338296882
1989	78.31261364611865
1990	62.89374937722958
1991	65.25948689013867
1992	57.34980441446842
1993	57.55285959198557
1994	56.3481099213294
1995	58.49809270865634
1996	51.630856007350246
1997	59.9121416739416
1998	60.11871516218831
1999	57.32053969048758
2000	63.2708940168291
2001	74.31971838229033
2002	73.84823374719097
2003	73.4579840106224
2004	58.38100564369502
2005	49.39950649135867
2006	51.06273001633627
2007	53.46076594872776
2008	48.4574553901578
2009	52.37649891374269
2010	40.11653987825577
2011	43.133245916313456
2012	39.39829692088174
2013	32.495687610013114
2014	25.07782301766917
2015	28.25211516682875
2016	37.60257665857936
2017	24.93958197077489
2018	30.06579202607901
2019	28.64224691501272
2020	41.22662217764585