Year	% of total imports
1995	5.68443926915051
1996	11.495034843609677
1997	11.03620132723847
1998	7.01107944958861
1999	7.365267877996658
2000	7.007111512101222
2001	6.8912483042374015
2002	5.514398449758876
2003	5.7140546192296515
2004	4.921274826407331
2005	4.003031664976675
2006	3.896939946363471
2007	3.735568469031065
2008	5.003761184611072
2009	3.3083115577699203
2010	3.3807947765719373
2011	1.8586435030912234
2012	4.830467146141848
2013	2.70221194472837
2014	3.985759426052604
2015	4.74657272193936
2016	4.352265450139389
2017	4.084751718450216
2018	4.185802425327113
2019	4.256236822835079