| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4526 |
27.4%
|
| 0 | 10369 |
62.7%
|
|
| 1 | 20 |
0.1%
|
|
| 2 | 28 |
0.2%
|
|
| 3 | 11 |
0.1%
|
|
| 4 | 6 |
0%
|
|
| 5 | 83 |
0.5%
|
|
| 6 | 3 |
0%
|
|
| 7 | 2 |
0%
|
|
| 8 | 4 |
0%
|
|
| 9 | 1 |
0%
|
|
| 10 | 164 |
1%
|
|
| 13 | 1 |
0%
|
|
| 15 | 38 |
0.2%
|
|
| 17 | 1 |
0%
|
|
| 20 | 240 |
1.5%
|
|
| 22 | 1 |
0%
|
|
| 25 | 74 |
0.4%
|
|
| 27 | 1 |
0%
|
|
| 28 | 1 |
0%
|
|
| 30 | 184 |
1.1%
|
|
| 33 | 1 |
0%
|
|
| 35 | 25 |
0.2%
|
|
| 36 | 1 |
0%
|
|
| 38 | 2 |
0%
|
|
| 40 | 138 |
0.8%
|
|
| 45 | 9 |
0.1%
|
|
| 48 | 2 |
0%
|
|
| 50 | 189 |
1.1%
|
|
| 52 | 2 |
0%
|
|
| 55 | 6 |
0%
|
|
| 60 | 58 |
0.4%
|
|
| 61 | 1 |
0%
|
|
| 62 | 1 |
0%
|
|
| 65 | 10 |
0.1%
|
|
| 68 | 1 |
0%
|
|
| 70 | 32 |
0.2%
|
|
| 75 | 28 |
0.2%
|
|
| 80 | 23 |
0.1%
|
|
| 85 | 8 |
0%
|
|
| 90 | 18 |
0.1%
|
|
| 95 | 4 |
0%
|
|
| 99 | 1 |
0%
|
|
| 100 | 223 |
1.3%
|
|
| Sysmiss | 2116 |