Table 2 Descriptions of customer demographic data

Age

Minimum: 19 years

Maximum: 76 years

Average: 39 years

Gender

Female: 4.61 %

Male: 95.39 %

Level of education

Illiterate: 0.59 %

Reading and writing ability: 0.8 %

Elementary education: 2.51 %

High school diploma: 12.39 %

Diploma: 42.12 %

Associate degree: 18.94 %

B. Sc.: 19.44 %

M. Sc.: 1.76 %

Ph. D: 1.46 %

Career

Manufacturing: 0.9 %

Services: 94.6 %

Housing and construction: 0.5 % Commercial business: 3.7 %

Agriculture: 0.3 %