| Value | Category | Cases | |
|---|---|---|---|
| 1 | less than 6 | 118030 |
72.6%
|
| 2 | 6 and above but less than 10 | 14827 |
9.1%
|
| 3 | 10 and above but less than 20 | 8357 |
5.1%
|
| 4 | 20 and abobe | 20097 |
12.4%
|
| 9 | not known | 1349 |
0.8%
|