Year	% of merchandise imports
1971	3.399540222403525
1972	5.009118373502638
1973	4.851844156980241
1974	8.58242883033186
1975	10.714390043014161
1976	13.632023376574528
1981	21.05648343461931
1982	19.19765797461691
1983	20.96987210218318
1984	18.011116789890593
1985	17.08263228607342
1986	10.280733367597604
1987	10.657282938318186
1998	2.5265837114186405
2000	22.12230304517248
2001	22.505466641007686
2002	12.979129778154952
2003	13.301431915256778
2004	16.875813823877277
2011	8.926464823543192
2012	17.199578631382817
2019	13.160843968403949
2020	10.792813441951415
2021	12.342386877121216