| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 55 |
30.4%
|
| 1 | 24 |
13.3%
|
|
| 2 | 21 |
11.6%
|
|
| 3 | 22 |
12.2%
|
|
| 4 | 7 |
3.9%
|
|
| 5 | 18 |
9.9%
|
|
| 6 | 7 |
3.9%
|
|
| 7 | 3 |
1.7%
|
|
| 8 | 3 |
1.7%
|
|
| 9 | 1 |
0.6%
|
|
| 10 | 7 |
3.9%
|
|
| 12 | 1 |
0.6%
|
|
| 14 | 1 |
0.6%
|
|
| 15 | 2 |
1.1%
|
|
| 20 | 2 |
1.1%
|
|
| 30 | 1 |
0.6%
|
|
| 74 | 1 |
0.6%
|
|
| 77 | refuse | 0 |
0%
|
| 88 | dont know | 0 |
0%
|
| 99 | missing | 0 |
0%
|
| 250 | 2 |
1.1%
|
|
| 500 | 2 |
1.1%
|
|
| 700 | 1 |
0.6%
|
|
| Sysmiss | 4789 |