Year	% of total merchandise exports
1960	1.0776607840229375
1961	0.5644644002565747
1962	0.7878083430195014
1963	0.6776484158166024
1964	0.9807543747690861
1965	1.1272416737830913
1966	0.9118157438081717
1967	1.3797446613614244
1968	1.0139165009940359
1969	1.1225016698959218
1970	0.7405842689109374
1971	0.8066305104452723
1972	0.6744629859073623
1973	0.6055141234447303
1974	0.7725899161239606
1975	1.6215744062192128
1976	0.675351750451868
1977	1.0396366132764183
1978	0.8060448164521002
1979	0.7935526722124904
1980	0.8752879087397305
1981	0.8630492543080275
1982	0.49329471349028414
1983	0.5608313271959643
1984	0.7206900275317905
1985	0.9938207737093169
1986	0.7800434451209373
1987	0.8056005224783976
1988	0.8116423816925854
1989	0.6530378359479769
1990	0.8568689157236745
1991	0.704453631656656
1992	0.7641836003678756
1993	1.0968445608175856
1994	1.0645026259293493
1995	0.8171570576717175
1996	0.9226674310884891
1997	0.9615875352694487
1998	1.1851439881255117
1999	1.041114315904084
2000	1.0486681719028534
2001	0.9721205244149548
2002	0.9415299410031962
2003	1.1313665600345308
2004	1.0816044248224945
2005	1.4511358869662878
2006	1.3588133580080752
2007	1.189289083879905
2008	1.2837508725143174
2009	1.1760019447807242
2010	1.2443948170371595
2011	1.2245419102550847
2012	0.9728405763838728
2013	0.5721970349394406
2014	0.6946918950815313
2015	0.8842601110002759
2016	0.9495541955281853
2017	0.685802942985115
2018	0.635280160350541
2019	0.4588379801448414
2020	0.3763568387959813