Year	% of total merchandise exports
2010	90.11075660765447
2011	93.93183068011164
2012	94.41262298169012
2013	32.433741170806975
2014	54.58444963859611
2015	74.67702376206947
2016	18.92708707692556
2017	48.85149848671295
2018	40.485261719436956
2019	37.1118186702294
2020	40.86192330343891