| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 1 |
0.1%
|
| 1 | 14 |
2.1%
|
|
| 2 | 24 |
3.6%
|
|
| 3 | 72 |
10.7%
|
|
| 4 | 43 |
6.4%
|
|
| 5 | 126 |
18.7%
|
|
| 6 | 69 |
10.2%
|
|
| 7 | 53 |
7.9%
|
|
| 8 | 98 |
14.5%
|
|
| 9 | 27 |
4%
|
|
| 10 | 41 |
6.1%
|
|
| 11 | 7 |
1%
|
|
| 12 | 54 |
8%
|
|
| 13 | 2 |
0.3%
|
|
| 14 | 10 |
1.5%
|
|
| 15 | 12 |
1.8%
|
|
| 16 | 10 |
1.5%
|
|
| 17 | 2 |
0.3%
|
|
| 18 | 3 |
0.4%
|
|
| 19 | 2 |
0.3%
|
|
| 20 | 3 |
0.4%
|
|
| 25 | 1 |
0.1%
|
|
| Sysmiss | 286 |