Year	% of merchandise imports
1977	6.650903875507542
1978	5.8241347228359786
1979	6.233769929508947
1980	8.81376325487381
1981	8.587465828705684
1983	8.30452829261094
1985	10.944533354041146
1986	7.511322357131732
1987	6.562658383850437
1993	6.358077175042352
1994	6.567928209745692
1995	5.6126979082939235
1996	6.541187545444303
1997	6.817181918923733
1999	6.33247111760504
2000	9.580327802733184
2001	9.818462828250816
2002	9.451414925468104
2003	10.86168714832667
2004	11.089955767548114
2005	13.25752166861892
2006	15.468518479405654
2007	17.188184379376924
2008	15.642577809473718
2009	15.641782209233451
2010	17.293710689547286
2012	22.134357657271373
2013	22.183618637855858
2016	12.700113040015268
2017	14.636071749258548
2018	11.212885903888942
2019	9.543234450554104
2020	7.753881730365464
2021	5.440450079210433