Year	% of merchandise exports
1962	31.71176541133807
1967	36.00969950043048
1968	40.70809308172597
1969	47.34641535106149
1970	32.82648222482716
1971	39.845533212312226
1972	51.36468131106467
1973	50.10189842575483
1974	70.17407483960568
1975	74.87190482895906
1976	70.28837735550539
1977	67.98877759814671
1978	68.59145244091025
1979	65.20464346632492
1980	71.85734784112474
1981	79.80308406018119
1982	82.41431037243491
1983	76.35634509742847
1984	71.65227243636048
1985	66.59681592570449
1986	54.75878103727108
1987	48.9829556006783
1989	39.76263102909069
1990	43.77447747942275
1991	38.32722941954795
1992	33.18936669753712
1993	28.217611260599355
1994	26.273064751367926
1995	25.33860251777313
1996	25.817044545494984
1997	24.612521286238724
1998	19.303013232638452
1999	22.99505022528175
2000	25.24383597496545
2001	25.34442740757095
2002	24.334811208023986
2003	25.729262389800482
2004	25.92969595343621
2005	27.687104890990643
2006	27.400314391462526
2007	25.60050706223168
2008	29.0318557788815
2009	28.27734986191347
2010	29.639410398153153
2011	33.86407905742722
2012	33.3477843794198
2013	31.440828489427513
2014	29.042854620895586
2015	23.042775081814742
2016	19.289034029345462
2017	21.845187658530296
2018	23.31002856184306
2019	20.33802173735651
2020	15.626880866228868
2021	19.484217800963982
2022	24.31514936640288