Ranking

1

2

3

4

5

6

7

8

9

10

option

whirling

Glittering

Distortion

Gradation

Deformation

Sunken

Undulation

Bulging

Vibration

Other

Respondent

90

39

21

19

13

9

8

8

6

1

Percentage

77.6%

33.6%

18.1%

16.4%

11.2%

7.6%

6.9%

6.9%

5.2%

0.7%