Year	% of total imports
1995	6.366287349661056
1996	6.807276143680139
1997	7.03550301200301
1998	7.477579423694301
1999	5.394981167966069
2000	5.834011803778604
2001	5.635378607779656
2002	5.72004896972998
2003	6.975197156390928
2004	6.1611116840495495
2005	5.189503756333609
2006	6.685383228788009
2007	7.1075288920927635
2008	7.297118642155166
2009	6.4973759281817784
2010	6.251249041179485
2011	5.6617095764971985
2012	5.589790088707858
2013	5.595706961000164
2014	5.703845977088627
2015	6.603805345820697
2016	5.767063573173583
2017	6.310844355276893
2018	6.635136484086283
2019	7.487567279275836