| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 7 |
10.4%
|
| 0 | 2 |
3%
|
|
| 1 | 2 |
3%
|
|
| 2 | 1 |
1.5%
|
|
| 4 | 1 |
1.5%
|
|
| 5 | 1 |
1.5%
|
|
| 6 | 1 |
1.5%
|
|
| 7 | 7 |
10.4%
|
|
| 8 | 4 |
6%
|
|
| 9 | 2 |
3%
|
|
| 10 | 5 |
7.5%
|
|
| 11 | 2 |
3%
|
|
| 12 | 1 |
1.5%
|
|
| 13 | 1 |
1.5%
|
|
| 15 | 1 |
1.5%
|
|
| 16 | 2 |
3%
|
|
| 17 | 1 |
1.5%
|
|
| 18 | 1 |
1.5%
|
|
| 19 | 1 |
1.5%
|
|
| 20 | 5 |
7.5%
|
|
| 21 | 1 |
1.5%
|
|
| 23 | 1 |
1.5%
|
|
| 30 | 1 |
1.5%
|
|
| 39 | 1 |
1.5%
|
|
| 40 | 4 |
6%
|
|
| 43 | 1 |
1.5%
|
|
| 45 | 1 |
1.5%
|
|
| 50 | 2 |
3%
|
|
| 55 | 1 |
1.5%
|
|
| 72 | 1 |
1.5%
|
|
| 83 | 1 |
1.5%
|
|
| 180 | 1 |
1.5%
|
|
| 494 | 1 |
1.5%
|
|
| 670 | 1 |
1.5%
|
|
| 907 | 1 |
1.5%
|
|
| Sysmiss | 84 |