Year	% of merchandise exports
1977	96.09718334541253
1978	95.40004318460143
1979	96.83295341066948
1980	92.23315480330729
1984	95.50645909798354
1985	95.45416262508733
1986	97.04011580881827
1987	96.65051806228023
1993	80.21012950429996
1994	84.11976226095841
1995	84.87778964226928
1996	86.99003358308745
1997	78.45828832636968
1998	55.8345527443513
1999	85.18354142459134
2000	35.398936555097926
2001	48.77715181673125
2002	75.49457342853731
2003	76.30746989947494
2004	81.41938221225772
2005	80.30932859793624
2006	73.7043405074143
2007	43.14429235587976
2008	58.41377304941779
2010	82.92400780457082
2011	86.43264891264047
2012	82.11152845568374
2013	79.75637571838593
2014	75.6320586384991
2015	80.18553715303055
2016	71.79390735871375
2017	80.48528267543648
2018	69.97025297582698
2019	76.7658932802533
2020	81.42759165600117
2021	76.60750848084183
2022	82.65391440610962
2023	61.71497441427737