Year	% of total imports
1995	3.3367394695787844
1996	3.308438592262264
1997	3.0588709230182562
1998	2.9864944836930216
1999	3.0028258277538296
2000	3.346552991520296
2001	3.1122971111857507
2002	2.92494024986419
2003	2.9993620218579147
2004	3.0112694026695843
2005	3.074631644253367
2006	3.00654717896848
2007	2.5562536856501135
2008	2.098578598653408
2009	2.2773369440573004
2010	2.520644207407581
2011	2.6278208799074907
2012	2.559144118153081
2013	2.9217805065952813
2014	2.8597331271097293
2015	3.4466110964756482
2016	3.832505768456714
2017	3.8320816398898048
2018	5.109767461886363
2019	5.036038074425614
2020	2.7926470321156245