Year	% of merchandise exports
1964	5.102373230253667
1965	6.579085270770007
1966	18.297398610144867
1967	14.909388179919736
1968	9.815189217941116
1969	13.012296655493996
1970	16.178162198022743
1971	22.78796148231043
1972	26.427573912643897
1973	25.728357808858824
1974	21.152832168510088
1975	19.9528488296925
1976	21.023020768824512
1977	31.149596548650138
1978	38.063395921837284
1979	35.47473171501389
1980	33.80517375398288
1981	42.600680553400366
1982	43.367225526624175
1983	41.11089562178307
1984	48.34977724769082
1985	43.289409600762
1986	36.44667092253672
1987	47.95758874436625
1989	44.82468707532836
1990	50.7940575553387
1991	45.66910881615145
1992	49.745877462039175
1993	50.93744870125524
1994	53.8060742284445
1995	48.67968254960602
1997	42.47984324017685
1998	55.54531865200942
1999	57.36023608732219
2000	60.539048998683285
2001	65.95164745032208
2002	67.71911772884367
2003	68.7200548967711
2004	68.73218506675974
2005	372.9169804363083
2006	71.04164485389117
2007	76.24352438189645
2008	75.24491238359138
2009	71.57279634242984
2010	72.00995011775186
2011	68.32925807838632
2012	68.14425701761651
2013	71.78392343599921
2014	70.9053839297481
2015	69.61841471592737
2016	71.8792884159185
2017	72.93770190145932
2018	74.81064032586012
2019	74.20234664793017
2020	71.74575548482917
2021	75.07502830999533
2022	75.67263005148634
