Year	% of merchandise exports
1974	12.50294259326385
1975	13.348443788889872
1976	13.978496882083691
1977	13.702825092268421
1978	10.48587473672199
1979	9.05555090250115
1981	5.504350593741673
1996	9.32446262345912
1997	7.916262216382876
1998	7.912707277575523
1999	12.051940973790535
2000	8.283514441508297
2001	13.304509777631818
2002	9.175796854259621
2003	11.278249750554382
2006	16.065017110168867
2007	15.04447640576124
2008	16.27744112879764
2009	13.418012110026574
2010	14.376744443858556
2011	14.06155115707453
2012	12.690244867391504
2013	13.618494288408758
2014	13.065266743685648
2015	13.674352633433214
2016	12.681034522812112
2017	12.957093105376249
2018	13.081646961928433
2019	14.756132953740059
2020	17.01795233011247
2021	18.638739250533025
2022	17.975089690877763