Year	% of total exports
1995	31.053299123206973
1996	27.33323838116134
1997	28.75062134230389
1998	31.454589262810856
1999	31.669866120991525
2000	29.19446319931506
2001	33.41051607515954
2002	39.9068126623033
2003	38.20007984808275
2004	41.9315005374321
2005	44.13985883049064
2006	45.485469867498416
2007	44.87312687262082
2008	46.93876108002308
2009	49.557278861112465
2010	46.44706438643403
2011	42.093297531003316
2012	40.20161561480961
2013	41.4471378605243
2014	42.940674072941825
2015	47.803256513589176
2016	49.40176630723281
2017	48.028664645600664
2018	47.664738784188124
2019	49.600942812555246