Year	% of total merchandise imports
1981	22.426862767426943
1982	21.020977306507717
1983	20.424684174743465
1984	17.3919346973205
1985	10.822595366824658
1986	17.725344161677505
1987	16.372954747101044
1988	19.954711915466337
1989	21.104779354177335
1990	19.068695491522817
1991	18.88634985776244
1992	19.176791040760676
1993	22.627717467137572
1994	32.12307587400958
1995	32.437169900735036
1996	27.800766505298164
1997	24.165584124980562
1998	25.47992443473322
1999	26.52663258773225
2000	11.135840009550943
2001	11.177646399348367
2002	13.40382828421671
2003	13.379601908271157
2004	13.211259962302618
2005	14.465938738138565
2006	16.28652828193297
2007	22.501545378360362
2008	32.24147512673178
2009	27.938966674163645
2010	21.34596103244555
2011	27.8119866413103
2012	28.805401731267576
2013	27.867215829273924
2014	26.90468309029363
2015	31.222852472333983
2016	28.626948151421466
2017	28.37773573266724
2018	34.23547860629107
2019	26.263679374525793
2020	27.71491652321285