| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 3 |
0.6%
|
| 0 | 353 |
68.7%
|
|
| 1 | 2 |
0.4%
|
|
| 2 | 2 |
0.4%
|
|
| 3 | 1 |
0.2%
|
|
| 5 | 13 |
2.5%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 15 |
2.9%
|
|
| 12 | 1 |
0.2%
|
|
| 15 | 4 |
0.8%
|
|
| 16 | 1 |
0.2%
|
|
| 20 | 14 |
2.7%
|
|
| 30 | 8 |
1.6%
|
|
| 35 | 1 |
0.2%
|
|
| 40 | 10 |
1.9%
|
|
| 50 | 9 |
1.8%
|
|
| 60 | 9 |
1.8%
|
|
| 65 | 4 |
0.8%
|
|
| 70 | 5 |
1%
|
|
| 75 | 2 |
0.4%
|
|
| 80 | 5 |
1%
|
|
| 85 | 2 |
0.4%
|
|
| 88 | 1 |
0.2%
|
|
| 90 | 8 |
1.6%
|
|
| 95 | 7 |
1.4%
|
|
| 97 | 1 |
0.2%
|
|
| 98 | 2 |
0.4%
|
|
| 99 | 3 |
0.6%
|
|
| 100 | 27 |
5.3%
|
|
| Sysmiss | 300 |