Year	% of merchandise exports
1967	43.444720922821176
1968	38.47944194007353
1969	31.585578733424935
1970	29.98691368945174
1971	27.274068426228247
1972	24.026058719328937
1973	21.132955296663603
1977	18.269021467442776
1997	19.54326720417442
1998	20.88936732880257
1999	19.885742281236894
2000	18.404066686277858
2001	17.995425329985114
2002	16.302776513401103
2003	15.023425158389674
2004	14.318404407673082
2005	15.188346222192184
2006	12.59948534863977
2007	13.10215009982915
2008	12.68379026217753
2009	12.405547296292704
2010	12.001398345421945
2011	13.366294269013434
2012	13.662759320871153
2013	18.354208625905923
2014	23.31234484537887
2015	24.54881095499846
2016	22.871184721596265
2017	50.40645191087619
2018	21.57285907657731
2019	16.6571221556336
2020	19.61591286086094
2021	24.881882933725088
2022	21.03383613538834