Year	% of total exports
1996	3.3561873711463774
1997	3.032489464713325
1998	2.975605203280313
1999	7.360665916640856
2000	7.747339914842391
2001	4.819805420060974
2002	5.58298423492291
2003	6.6177312045762005
2004	6.172087938162756
2005	5.5412548887009825
2006	6.12783003003566
2007	6.06345846240526
2008	6.154363087530717
2009	7.744543761127883
2010	5.517905191079275
2011	5.047775138010622
2012	5.470621203638739
2013	5.757874810248365
2014	5.501283134390614
2015	5.463302246748832
2016	5.202458237120684
2017	5.303294986767571
2018	5.082831652502297
2019	5.140791077125383
2020	3.5186835595987933