| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 8 |
3%
|
| 0 | None | 6 |
2.2%
|
| 1 | 1 |
0.4%
|
|
| 2 | 11 |
4.1%
|
|
| 3 | 7 |
2.6%
|
|
| 4 | 5 |
1.9%
|
|
| 5 | 42 |
15.7%
|
|
| 6 | 5 |
1.9%
|
|
| 7 | 8 |
3%
|
|
| 8 | 7 |
2.6%
|
|
| 9 | 1 |
0.4%
|
|
| 10 | 46 |
17.2%
|
|
| 11 | 2 |
0.7%
|
|
| 12 | 7 |
2.6%
|
|
| 13 | 3 |
1.1%
|
|
| 14 | 3 |
1.1%
|
|
| 15 | 22 |
8.2%
|
|
| 16 | 1 |
0.4%
|
|
| 19 | 1 |
0.4%
|
|
| 20 | 26 |
9.7%
|
|
| 25 | 7 |
2.6%
|
|
| 30 | 10 |
3.7%
|
|
| 32 | 2 |
0.7%
|
|
| 35 | 2 |
0.7%
|
|
| 40 | 8 |
3%
|
|
| 45 | 5 |
1.9%
|
|
| 50 | 6 |
2.2%
|
|
| 55 | 1 |
0.4%
|
|
| 60 | 8 |
3%
|
|
| 65 | 2 |
0.7%
|
|
| 70 | 1 |
0.4%
|
|
| 80 | 1 |
0.4%
|
|
| 81 | 1 |
0.4%
|
|
| 85 | 2 |
0.7%
|
|
| Sysmiss | 243 |