Year	% of total merchandise exports
1992	76.47738961263143
1993	53.87953578246941
1994	28.510269111445936
1995	26.330096787036194
1996	28.120160825515427
1997	31.20341162171466
1998	39.52489099556069
1999	41.18022879343838
2000	41.42407528199499
2001	42.33081771645158
2002	45.22378647265881
2003	45.23773722097735
2004	46.441679573842805
2005	39.69002802953299
2006	39.50753388633033
2007	35.49683992245632
2008	36.62419018334695
2009	30.963940545941714
2010	31.99638393667927
2011	31.42166035411822
2012	30.913739773186343
2013	32.798670675343836
2014	38.084427644116445
2015	41.13137909760313
2016	43.778661620329416
2017	47.93679493805848
2018	50.080747868572765
2019	49.208191991123144
2020	45.11282494516481