Year	% of total merchandise exports
1981	1.5410740544898403
1982	1.6437679628366422
1983	1.655624991983378
1984	1.0026507568202534
1985	0.5559000711863078
1986	1.0067330149754397
1987	1.2102698083499723
1988	1.1886906905063914
1989	0.6961120549060132
1990	1.3487600751843436
1991	0.9433977089758669
1992	1.0681175180903189
1993	1.320408008555092
1994	1.019865033157839
1995	1.1435857101207527
1996	1.193557300686285
1997	0.7195171906814445
1998	0.5778313253012048
1999	0.33934041835506634
2000	0.6592645221391189
2001	0.5928646730261103
2002	0.44087478493308974
2003	0.49123842686275365
2004	0.39412019638946727
2005	0.7814537250248615
2006	0.39984382981803607
2007	0.4048792961377304
2008	1.3723573844201673
2009	1.572251022966437
2010	1.426489772642116
2011	1.6267868306192992
2012	1.8836754862826088
2013	1.609099303066051
2014	0.7824584082767263
2015	0.9082031506903565
2016	0.7708080201335431
2017	1.158836549679816
2018	1.1771285222963295
2019	1.0782268213588897
2020	1.2870981976574867