Frequency

Percent

Valid percent

Cumulative percent

Valid

Below 30 K

21

12.2

38.9

38.9

30 - 50 K

11

6.4

20.4

59.3

50 - 80 K

20

11.6

37.0

96.3

Above 80 K

2

1.2

3.7

100.0

total

54

31.4

100.0

Missing

system

118

68.6

Total

172

100.0