Year	% of merchandise exports
1963	4.741179947958272
1964	5.219715702927819
1965	5.050601380292128
1966	5.288633687734625
1967	4.419528492169298
1968	4.3425105881104225
1969	4.315310418425743
1970	3.776409416680481
1971	3.3617699881169583
1972	3.0104074497912405
1973	3.155917217049923
1974	3.1321455043142707
1975	2.3015373996739235
1976	2.623920703337355
1977	2.8505050107231185
1978	3.3713764296874507
1979	3.6044214615099524
1980	3.585971878916203
1981	3.4169533182125953
1982	3.2638667271010093
1983	3.717272280359133
1984	3.8492080097094967
1985	3.6139486353114676
1986	3.3440854080352715
1987	3.561152590979148
1988	3.6796043829047576
1989	3.637952958766361
1990	3.21864013981564
1991	3.007422370158807
1992	2.8333912919841846
1993	2.663191131752053
1994	2.834308388414307
1995	3.3148950474782466
1996	3.204177212325385
1997	2.6305556910226784
1998	2.5179645762697604
1999	2.225522832458257
2000	2.5342761689831446
2001	2.415014245193138
2002	2.2413877775556283
2003	2.51799343005021
2004	2.603215834630513
2005	2.7039668471719613
2006	3.274755444531067
2007	3.358473591030346
2008	3.376594727419133
2009	3.0754347825644603
2010	3.838631859559315
2011	3.8221230662025873
2012	3.725231207165252
2013	3.2394847331967553
2014	3.079659161007773
2015	3.270159677062611
2016	3.1426579107617654
2017	3.395432547316482
2018	3.1315905069501957
2019	2.9074183656837898
2020	2.990757298969845
2021	3.4697679753986135
2022	3.4422363345649467