Year	% of merchandise exports
1965	47.897042215457105
1966	47.25914288094542
1967	47.539926494144154
1968	49.75562220122616
1970	46.600458694405575
1971	47.931611610008694
1972	42.829743001652524
1973	39.58576273560869
1974	40.006344113469
1975	42.19116449723394
1976	45.52531338604763
1977	48.04112934120261
1978	47.8461925156224
1979	46.829561832180374
1995	43.61546988917734
1996	43.51139860214394
1997	44.04529934668005
1998	48.2678704687378
1999	46.17005433358163
2000	39.64462245471889
2001	39.06300642740333
2002	40.59722707025824
2003	39.99295282695672
2004	39.11361778522956
2005	35.66393905130778
2006	34.83490393891799
2007	29.79292120277028
2008	26.402281588508018
2009	33.49969563297019
2010	30.199635821368293
2011	30.7009144348982
2012	27.22427617946876
2013	24.19137388679489
2014	30.325012611413616
2015	32.40644072410399
2016	33.34521803111211
2017	31.95688326376237
2018	31.36029601710636
2019	29.802683456172954
2020	31.127313854651387
2021	29.865911439397703
2022	27.267014131496616