Year	% of merchandise exports
1975	95.89368818525342
1976	92.20540831772448
1977	97.74501153522775
1978	97.23638009853221
1979	96.78659132331181
1980	93.08805854476616
1981	88.19761112450004
1982	82.71796790809175
1983	79.95775831939356
1984	90.4307127287079
1985	86.320944164154
1986	84.65478759939641
1987	79.93751412203291
2000	49.868856201899206
2001	71.75987926678023
2002	55.25260409442351
2003	65.11742944728249
2004	46.89577867742916
2005	56.45265659124698
2006	45.57555977232822
2007	47.000195451290566
2008	67.27673673570935
2009	85.94851256277411
2010	88.58031706553483
2011	64.17749423830772
2012	75.96481937099114
2013	80.64287735567315
2014	354.55266862080214