Year	% of merchandise exports
1963	55.584875432415636
1964	55.290521050985525
1965	56.26987060287984
1966	57.53200858807414
1967	57.79870873591454
1968	57.98166537677704
1969	59.27832502205598
1970	60.02225155720997
1971	62.63912922378618
1972	61.575815549268185
1973	60.901117156007224
1974	59.17997219139317
1975	59.842718419590284
1976	61.130118656485486
1977	61.75161331258184
1978	61.05106442283386
1979	60.18756445089276
1980	61.134714394829075
1981	61.27647185099414
1982	61.80952606328575
1983	62.28566818690677
1984	61.24253469736208
1985	58.63264563429675
1986	62.83162979197489
1987	68.14159637142717
1991	70.25776420270725
1992	72.53094166763246
1993	73.21030500472335
1994	74.96160293348511
1995	75.11924319517512
1996	73.90357226262887
1997	75.25918498593518
1998	75.67101572942273
1999	74.88193303267913
2000	72.89736157382694
2001	73.06528693156896
2002	73.35801039610092
2003	72.82230618926665
2004	72.01467921496919
2005	71.23843596082165
2006	70.07689987053205
2007	70.3073665462969
2008	68.08232576757426
2009	67.42260928039738
2010	66.65252450546993
2011	64.96667331446731
2012	64.93335606086542
2013	64.37571928898038
2014	65.74849474247357
2015	67.60228059080454
2016	67.57642722915074
2017	69.4006546452237
2018	69.00156009487759
2019	69.22213174205754
2020	69.50875548524482
2021	68.21489933214791
2022	67.8161567817802
2023	70.86900710343517