Table 5. Weight settings for different individual background

Analysis category	Group	Samples	Given weights	Sum of weights	Weights of normalization
Work experience	Below 5 years	7	1	21	0.0476
	6 to 10 years	9	2		0.0952
	11 to 15 years	3	3		0.1429
	16 to 20 years	8	4		0.1905
	21 to 25 years	14	5		0.2381
	Above 26 years	9	6		0.2857
Main business markets	Short sea	21	1	6	0.1667
	Deep ocean	20	3		0.5000
	Both in even	9	2		0.3333
Title	Top manager	10	5	15	0.3333
	Middle manager	18	4		0.2667
	OP/CS staff	15	3		0.2000
	Sales	4	2		0.1333
	Document staff	3	1		0.0667