| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 6 |
1.3%
|
| -4 | Too many to count | 72 |
16%
|
| 0 | 10 |
2.2%
|
|
| 1 | 9 |
2%
|
|
| 2 | 26 |
5.8%
|
|
| 3 | 41 |
9.1%
|
|
| 4 | 41 |
9.1%
|
|
| 5 | 59 |
13.1%
|
|
| 6 | 32 |
7.1%
|
|
| 7 | 6 |
1.3%
|
|
| 8 | 16 |
3.6%
|
|
| 9 | 1 |
0.2%
|
|
| 10 | 46 |
10.2%
|
|
| 12 | 11 |
2.4%
|
|
| 13 | 1 |
0.2%
|
|
| 14 | 1 |
0.2%
|
|
| 15 | 14 |
3.1%
|
|
| 20 | 17 |
3.8%
|
|
| 25 | 3 |
0.7%
|
|
| 27 | 1 |
0.2%
|
|
| 30 | 12 |
2.7%
|
|
| 34 | 1 |
0.2%
|
|
| 40 | 2 |
0.4%
|
|
| 50 | 5 |
1.1%
|
|
| 60 | 1 |
0.2%
|
|
| 70 | 1 |
0.2%
|
|
| 80 | 1 |
0.2%
|
|
| 100 | 8 |
1.8%
|
|
| 150 | 1 |
0.2%
|
|
| 200 | 2 |
0.4%
|
|
| 1000 | 2 |
0.4%
|
|
| 2000 | 1 |
0.2%
|
|
| Sysmiss | 537 |