Year	% of merchandise exports
1973	31.363207485471076
1974	34.320835655392194
1997	44.00413802197274
1998	40.80530345333339
1999	34.50593130054997
2000	35.62096368712209
2001	31.085607110400147
2002	31.606533106243326
2003	37.46665864317909
2004	35.95632270363428
2005	36.17842250258511
2006	32.77004839116095
2007	29.354410643209786
2008	29.92327419071489
2009	30.077894563292418
2010	27.601602375534004
2011	25.253704597420054
2012	26.15878988571761
2013	29.077007146259028
2014	27.696648032854966
2015	30.895540035021604
2016	28.480487588072897
2017	28.179387562962855
2018	27.342728866205235
2019	26.653463127535222
2020	24.30581747309442
2021	24.337890854870132
2022	26.946862565191033
2023	23.490085579103408