Year	% of merchandise imports
1971	0.2498423968362094
1972	0.2383251801840663
1973	0.308810865928202
1974	0.27091494970787033
1975	0.28539138303061545
1976	0.2831942799239495
1981	0.3106431664206481
1982	0.30760675024169826
1983	0.34529705601002425
1984	0.37447617478105283
1985	0.3631755212474012
1986	0.46041801110140473
1987	0.48076171565189124
1998	0.7605630435525287
2000	0.7106284527437221
2001	0.5878830635854374
2002	0.6825310901526045
2003	0.712215859579811
2004	0.6477834174376174
2011	0.42186858167765456
2012	0.4065228578088609
2019	0.4882431670419006
2020	0.7148325279924486
2021	0.586683575423327