Year	% of merchandise exports
1976	52.38162510856698
1977	66.15272607072593
1978	59.551750913674816
1979	56.53057404239916
1980	43.846954423019454
1981	45.939210405740475
1982	51.39540129886313
1983	59.434658302755295
1984	63.23826248674761
1985	63.57544494169735
1986	70.31536393574487
1987	63.3128773284302
1990	49.158194518305095
1991	52.221590744005766
1992	43.57101726012608
1993	52.68170963077841
1994	56.41470992495443
1995	56.05700554994415
1996	56.58728745930552
1997	55.44410791774356
1998	58.383996994331866
1999	58.18685443911713
2000	59.01324649986465
2001	59.49256752068825
2002	31.65119696573655
2003	42.43981124208611
2004	51.8856689144605
2005	37.644228245695444
2006	42.57965938041967
2007	42.750667771682096
2008	44.14532793915285
2009	43.72167232553649
2010	46.88916650261979
2013	45.48333641127512
2015	43.487314080475855
2016	44.86166708569199
2017	51.30879793606346
2018	51.218401861181725
2019	43.72235725039842
2020	48.21673812193538
2021	47.51532198656947
2022	48.718204277113664
2023	48.980562338049495