Year	% of merchandise exports
1963	72.18563062524404
1964	75.00038174850455
1965	74.78185235531583
1966	76.04444487960458
1967	77.01433414534212
1968	78.29380416022605
1969	78.84717370799996
1970	80.04170787835687
1971	81.4394247957138
1972	81.93381477330286
1973	81.21272943555333
1974	82.74208458024401
1975	85.11233658901509
1976	83.32651686125196
1977	83.44747208277357
1978	83.7395474969561
1979	83.45074967022018
1980	82.75917395726105
1981	83.60094451262329
1982	84.78520966280946
1983	84.69813103804152
1984	84.58928728307569
1985	85.39324673471074
1986	87.0835939522777
1987	86.78681280928869
1988	87.17627585963545
1989	86.8608718526965
1990	88.01567793050876
1991	89.06650733989302
1992	89.3897634252901
1993	89.4633820088114
1994	88.61645804396757
1995	88.02052996566164
1996	87.920980879594
1997	88.3020347555052
1998	88.77579441532546
1999	87.91124862051251
2000	79.29584627457223
2001	79.28769062825229
2002	79.58781243995409
2003	82.26121596792724
2004	82.16392881081096
2005	80.61046633773233
2006	80.18629806985959
2007	82.28391940305234
2008	81.04909399433708
2009	80.23018453586035
2010	79.58045730238483
2011	79.42691400323984
2012	79.98078645486034
2013	81.36669068677999
2014	82.34623143745922
2015	82.8092530807844
2016	82.88231949410483
2017	82.59856512304705
2018	80.89369774711196
2019	81.06882573627779
2020	80.38853206458884
2021	79.34176777436176
2022	77.47220456611726