Year	% of total exports
1995	5.340244258549907
1996	4.472902025149146
1997	4.243718486558032
1998	4.822536246100757
1999	1.5181965797353263
2000	1.9374791558216826
2001	2.0157722147636004
2002	3.877167875954783
2003	3.804486765470527
2004	3.7896576237117188
2005	4.2833617789958796
2006	4.086259975694614
2007	1.51966197763899
2008	1.50780868429288
2009	2.258578443651392
2010	2.491728599259436
2011	0.6023811130180886
2012	1.6285826970276307
2013	0.227037347472904
2014	0.8049154587953191
2015	0.8143700932186283
2016	0.7787381580592098
2017	0.6893020028806071
2018	0.8634571962396106
2019	0.6984098034974944
2020	0.40380095516670095