Year	% of total merchandise exports
1960	1.427868045297883
1961	1.2134831460674158
1962	0.3221908981071285
1963	0.31013094417643006
1964	0.3887269193391642
1965	0.27472527472527475
1966	0.41871921182266003
1967	0.32336297493936944
1968	0.4915580252190639
1969	0.27083145255935726
1970	0.2438191079637222
1971	0.203736681657662
1972	0.222829707564724
1973	0.15268330593745488
1974	0.20596510418976383
1975	0.12342986741102582
1976	0.029379965214121187
1977	0.10278873464525173
1978	0.06932696552316676
1979	0.2975876079882305
1980	0.19293733588267867
1981	0.278166409933909
1982	0.06427483547039398
1983	0.05234498745759716
1984	0.06001752761013943
1985	0.0585274750326614
1986	0.1238804306083768
1987	0.053735785277313396
1988	0.13381406085555259
1989	0.24773956545892273
1990	0.27587325989238487
1991	0.33048359608013916
1992	0.5716537947806211
1993	1.0372725929190738
1994	1.1502500122576875
1995	0.9070455663160211
1996	0.8845928529584065
1997	0.546780157045663
1998	1.0792400104850304
1999	0.7426426538108387
2000	0.7445025554657059
2001	0.5545292549481194
2002	0.6007229926732588
2003	0.4721951093812491
2004	0.4751698710471085
2005	0.4595626366830681
2006	0.6012404876219883
2007	0.5559817124807697
2008	0.7954967354185635
2009	0.5212495721595964
2010	0.8803977842713147
2011	0.7322758006759702
2012	0.7085096423467558
2013	1.0530103103792714
2014	0.8783603689106358
2015	1.0681722236257047
2016	1.260722565879262
2017	0.8959704955868083
2018	1.107180003337937
2019	1.1274819374763694
2020	0.8279909991297749