Year	% of total exports
1995	1.8749357535422566
1996	4.204254004391463
1997	1.553443301608427
1998	1.8983027719220997
1999	2.0193643585982377
2000	2.6401329548259724
2001	2.0276532918465335
2002	4.152928661863019
2003	2.6764566975555053
2004	2.8011890338355707
2005	1.987564490413599
2006	1.7173348386119878
2007	2.566059519790646
2008	1.0459401700329742
2009	1.4364658348097836
2010	1.1619680676106385
2011	1.5700292147907975