Year	% of merchandise exports
1976	10.488901644777988
1977	7.557253360488985
1978	12.325246896475564
1979	17.19212220509515
1980	14.148472323295108
1981	10.644324960538219
1987	7.755462807395966
1997	10.39232525648422
1998	19.698980634790843
1999	15.398049982890821
2000	16.229755059959167
2001	12.073576658683823
2002	10.476782051664877
2003	9.534372214067266
2004	10.0563224442326
2005	9.006869102214521
2006	11.884518383377552
2007	16.599872339819036
2008	23.477440592461587
2009	17.87767908695635
2010	18.141023230122336
2011	16.016711356386995
2012	16.777890212288327
2013	18.495789842643894
2014	14.562654525598603
2015	19.71990557698095
2016	16.352113354561972
2017	15.861602246547196
2018	73.65842689491656
2019	15.071665237962067
2020	11.431169946459505
2021	13.839954510829974
2022	15.382708267213523
2023	11.915062966768748