| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 56 |
6.4%
|
| -4 | Too many to count | 657 |
74.7%
|
| 0 | 15 |
1.7%
|
|
| 1 | 5 |
0.6%
|
|
| 2 | 11 |
1.3%
|
|
| 3 | 21 |
2.4%
|
|
| 4 | 10 |
1.1%
|
|
| 5 | 27 |
3.1%
|
|
| 6 | 9 |
1%
|
|
| 8 | 5 |
0.6%
|
|
| 10 | 35 |
4%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 1 |
0.1%
|
|
| 13 | 1 |
0.1%
|
|
| 15 | 3 |
0.3%
|
|
| 17 | 1 |
0.1%
|
|
| 20 | 10 |
1.1%
|
|
| 30 | 3 |
0.3%
|
|
| 50 | 2 |
0.2%
|
|
| 70 | 1 |
0.1%
|
|
| 100 | 1 |
0.1%
|
|
| 120 | 1 |
0.1%
|
|
| 200 | 1 |
0.1%
|
|
| 338 | 1 |
0.1%
|
|
| 1000 | 1 |
0.1%
|
|
| 2000 | 1 |
0.1%
|
|
| Sysmiss | 99 |