Willing to pay more

Not willing to pay more

Respondents’ education

Frequency

Percentage

Frequency

Percentage

Primary

23

28.4

58

71.6

Secondary

37

33.6

73

66.4

High school

45

45.5

54

54.5

University

53

75.7

17

24.3

Total

158

43.9

202

56.1

X2 (3, N = 360) = 41.48, P < 0.01