Year	% of total imports
1995	7.26502519135517
1996	7.351752874419957
1997	8.134355004198786
1998	8.705936909856277
1999	7.20818798685761
2000	7.0925339997091195
2001	6.679536361656898
2002	6.53383706644769
2003	7.526548397422174
2004	6.542092709381846
2005	5.793381586728306
2006	7.164854420951236
2007	7.4959581431452955
2008	7.667520265787498
2009	6.8401585283049045
2010	6.94984346529496
2011	6.280523908958663
2012	5.741373338519545
2013	5.466499133236761
2014	5.507606920853225
2015	6.392334534237692
2016	5.78361808142319
2017	6.690166754966263
2018	7.151668553321032
2019	8.073212114709815