Year	% of total merchandise exports
1960	1.9668464484161152
1961	1.601253410377446
1962	1.3302437349811191
1963	1.3314109764495434
1964	1.2650651713402477
1965	1.4297300320166524
1966	1.9100578303558609
1967	1.9793848467488675
1968	1.7324856157107442
1969	1.5664429443324333
1970	1.404596223505099
1971	1.2869461591759088
1972	1.1075759526467281
1973	1.221902013676331
1974	1.3837753944735858
1975	1.4703867030098727
1976	1.2886786880931533
1977	1.1852133952226718
1978	1.3854931859307604
1979	1.4583570072520158
1980	1.3315269730381516
1981	1.3815905174225114
1982	1.4510530925338487
1983	1.5097642529968327
1984	1.4283224794967302
1985	1.7021254802112598
1986	1.6433066737202233
1987	1.4821755531945187
1988	1.508447954131068
1989	1.5141879530614082
1990	1.5393069435054167
1991	1.6004287749224027
1992	2.0180699900433297
1993	2.7446948860130753
1994	2.6850312906561564
1995	2.804195632446114
1996	2.842015142817017
1997	2.6501619579544786
1998	1.9291721695953306
1999	1.948919724859952
2000	2.1605168774595396
2001	2.3494286715911814
2002	2.5045069144205137
2003	2.6784211294674964
2004	2.7522289762596097
2005	2.703179493333456
2006	2.813189068597345
2007	2.955188457763941
2008	3.0774686603002035
2009	3.7111686017866763
2010	4.2200468866773795
2011	4.5785251962508555
2012	4.887623825754985
2013	5.157468159086539
2014	5.267476636563951
2015	5.240766879843043
2016	5.324759996824035
2017	5.632446418087809
2018	5.888483428758065
2019	5.95377561281024
2020	6.125264695248121
