Table 1 Background information of firms...

Table 1

Background information of firms

Measures	Categories	Frequency	Percentage
Firms age (in years)	Less than 1	2	1.4
	1 to 3	12	8.6
	4 to 6	21	15.1
	7 to 9	33	23.7
	10 or more	71	51.1
Years in port clearing	Less than 1	4	2.9
	1 to 3	14	10.1
	4 to 6	29	20.9
	7 to 9	35	25.2
	10 and more	57	41
Firms' clearing status	Exporting	16	11.5
	Importing	99	71.2
	Both	24	17.3
Industry	Agriculture	12	8.6
	Automobile	7	5
	Building, mining and engineering	25	18
	Chemical and agrochemical	12	8.6
	Energy, electrical and electronic	22	15.8
	Food and beverage	37	26.6
	Pharmaceuticals	17	12.2
	Others	6	4.2

Measures	Categories	Frequency	Percentage
Firms age (in years)	Less than 1	2	1.4
	1 to 3	12	8.6
	4 to 6	21	15.1
	7 to 9	33	23.7
	10 or more	71	51.1
Years in port clearing	Less than 1	4	2.9
	1 to 3	14	10.1
	4 to 6	29	20.9
	7 to 9	35	25.2
	10 and more	57	41
Firms' clearing status	Exporting	16	11.5
	Importing	99	71.2
	Both	24	17.3
Industry	Agriculture	12	8.6
	Automobile	7	5
	Building, mining and engineering	25	18
	Chemical and agrochemical	12	8.6
	Energy, electrical and electronic	22	15.8
	Food and beverage	37	26.6
	Pharmaceuticals	17	12.2
	Others	6	4.2

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