| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 633 |
89.9%
|
|
| 3 | 2 |
0.3%
|
|
| 4 | 4 |
0.6%
|
|
| 5 | 3 |
0.4%
|
|
| 7 | 5 |
0.7%
|
|
| 8 | 3 |
0.4%
|
|
| 9 | 2 |
0.3%
|
|
| 10 | 4 |
0.6%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 1 |
0.1%
|
|
| 14 | 2 |
0.3%
|
|
| 15 | 3 |
0.4%
|
|
| 20 | 6 |
0.9%
|
|
| 21 | 1 |
0.1%
|
|
| 23 | 1 |
0.1%
|
|
| 24 | 1 |
0.1%
|
|
| 25 | 1 |
0.1%
|
|
| 29 | 2 |
0.3%
|
|
| 30 | 3 |
0.4%
|
|
| 35 | 2 |
0.3%
|
|
| 38 | 1 |
0.1%
|
|
| 40 | 2 |
0.3%
|
|
| 48 | 1 |
0.1%
|
|
| 50 | 3 |
0.4%
|
|
| 60 | 2 |
0.3%
|
|
| 65 | 1 |
0.1%
|
|
| 70 | 1 |
0.1%
|
|
| 90 | 2 |
0.3%
|
|
| 100 | 1 |
0.1%
|
|
| 110 | 3 |
0.4%
|
|
| 120 | 1 |
0.1%
|
|
| 190 | 1 |
0.1%
|
|
| 200 | 2 |
0.3%
|
|
| 250 | 1 |
0.1%
|
|
| 300 | 1 |
0.1%
|
|
| 450 | 1 |
0.1%
|
|
| Sysmiss | 392 |