| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4527 |
15.5%
|
| 0 | 20510 |
70.4%
|
|
| 1 | 21 |
0.1%
|
|
| 2 | 33 |
0.1%
|
|
| 3 | 11 |
0%
|
|
| 4 | 7 |
0%
|
|
| 5 | 90 |
0.3%
|
|
| 6 | 4 |
0%
|
|
| 7 | 2 |
0%
|
|
| 8 | 4 |
0%
|
|
| 9 | 2 |
0%
|
|
| 10 | 208 |
0.7%
|
|
| 12 | 1 |
0%
|
|
| 13 | 1 |
0%
|
|
| 15 | 60 |
0.2%
|
|
| 17 | 1 |
0%
|
|
| 20 | 313 |
1.1%
|
|
| 22 | 1 |
0%
|
|
| 23 | 1 |
0%
|
|
| 25 | 108 |
0.4%
|
|
| 27 | 1 |
0%
|
|
| 28 | 1 |
0%
|
|
| 30 | 250 |
0.9%
|
|
| 33 | 1 |
0%
|
|
| 35 | 44 |
0.2%
|
|
| 36 | 1 |
0%
|
|
| 38 | 2 |
0%
|
|
| 40 | 166 |
0.6%
|
|
| 45 | 9 |
0%
|
|
| 48 | 2 |
0%
|
|
| 50 | 194 |
0.7%
|
|
| 52 | 2 |
0%
|
|
| 55 | 8 |
0%
|
|
| 60 | 73 |
0.3%
|
|
| 61 | 1 |
0%
|
|
| 62 | 1 |
0%
|
|
| 65 | 10 |
0%
|
|
| 68 | 1 |
0%
|
|
| 70 | 35 |
0.1%
|
|
| 74 | 1 |
0%
|
|
| 75 | 29 |
0.1%
|
|
| 80 | 25 |
0.1%
|
|
| 82 | 1 |
0%
|
|
| 85 | 8 |
0%
|
|
| 90 | 18 |
0.1%
|
|
| 94 | 1 |
0%
|
|
| 95 | 4 |
0%
|
|
| 99 | 1 |
0%
|
|
| 100 | 225 |
0.8%
|
|
| Sysmiss | 2116 |
7.3%
|