| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 5 |
1.2%
|
| 0 | 269 |
65.8%
|
|
| 1 | 20 |
4.9%
|
|
| 2 | 34 |
8.3%
|
|
| 3 | 19 |
4.6%
|
|
| 4 | 15 |
3.7%
|
|
| 5 | 12 |
2.9%
|
|
| 6 | 4 |
1%
|
|
| 7 | 3 |
0.7%
|
|
| 8 | 3 |
0.7%
|
|
| 9 | 2 |
0.5%
|
|
| 10 | 3 |
0.7%
|
|
| 12 | 3 |
0.7%
|
|
| 13 | 1 |
0.2%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 2 |
0.5%
|
|
| 23 | 1 |
0.2%
|
|
| 24 | 1 |
0.2%
|
|
| 25 | 4 |
1%
|
|
| 30 | 2 |
0.5%
|
|
| 35 | 2 |
0.5%
|
|
| 40 | 1 |
0.2%
|
|
| 90 | 1 |
0.2%
|
|
| 93 | 1 |
0.2%
|
|
| Sysmiss | 551 |