Year	% of merchandise exports
1974	12.520486222518837
1975	13.36667186720341
1976	13.99243072617062
1977	13.718444845223928
1978	10.49124388778479
1979	9.060188115023614
1981	5.510599694949587
1996	9.34266862558344
1997	7.9314858292443855
1998	7.928783065376538
1999	12.07565646515043
2000	8.298475937668975
2001	13.328505373572176
2002	9.193104798693051
2003	11.298757557524278
2006	16.09478435553788
2007	15.067494346984994
2008	16.305834057037107
2009	13.438895085204473
2010	14.398817333952097
2011	14.083678612754666
2012	12.710055498831535
2013	13.639516756760589
2014	13.08586865844353
2015	13.69500007031034
2016	12.699973995225056
2017	12.976204444163004
2018	13.101030923494726
2019	14.778334177700872
2020	17.044694430661693
2021	18.6665179545394
2022	18.004077749773252