| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less than $3 | 91 |
4.3%
|
| 2 | $3 to $5 | 352 |
16.6%
|
| 3 | $6 to $8 | 209 |
9.9%
|
| 4 | $9 to $12 | 282 |
13.3%
|
| 5 | $13 to $15 | 126 |
6%
|
| 6 | More than $15 | 139 |
6.6%
|
| 7 | I don't know | 916 |
43.3%
|
| Sysmiss | 18 |