Year	% of total imports
1996	1.9810610563017552
1997	2.2169820827538946
1998	2.4626755192875978
1999	2.720326621540405
2000	3.2620932571810384
2001	3.8399210870264397
2002	3.3097472390970584
2003	3.2950361580011993
2004	2.9735497324829616
2005	3.043335573776825
2006	2.9160145764884864
2007	2.8268752272429367
2008	2.78609990287217
2009	2.9227326449635385
2010	2.3977741939330306
2011	2.2928625106147678
2012	2.345716885290876
2013	2.5203793491050757
2014	2.520332436694604
2015	2.8913734757353597
2016	2.8851477286889358
2017	2.9758196470031253
2018	3.056538996860331
2019	3.1440527557127442
2020	1.7440428180896368