Year	% of merchandise exports
1962	42.77743446508764
1963	50.125508278301076
1972	25.331459078646233
1973	24.31119891119769
1974	19.48183046195352
1975	28.303005429410867
1976	21.17780515829515
1977	20.262886012934146
1978	18.627329802207846
1979	16.865429451754753
1980	13.710348282965008
1981	12.831056841819052
1982	18.440284312115736
1983	22.7641333909173
1984	19.334046349747673
1985	26.06043846743592
1986	27.9817844847363
1987	26.619213237626198
1991	22.504014007123992
1992	23.544180711343426
1993	25.393796614834702
1994	21.178977223976567
1995	22.33427934116341
1996	24.13150375838911
1997	23.68688793405815
1998	24.39194674281603
1999	24.242335805117136
2000	22.64355227348087
2001	22.791703706886466
2002	23.032497195734937
2003	23.148900281871292
2004	22.626313226955098
2005	17.493743526365183
2006	16.821655088568495
2007	15.70468401030665
2008	14.726412062864929
2009	27.07278771461205
2010	24.5398837341167
2011	22.00178733494721
2012	22.255205928224623
2013	21.286381953174597
2014	22.08946867977434
2015	18.48673355665452
2016	27.858795087310195
2017	27.082126716155187
2018	17.274270992219957
2019	22.965557575663944
2020	31.353574043398165
2021	32.387834576065345
2022	31.352270165885322
