| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 135 |
16.1%
|
| 0 | 99 |
11.8%
|
|
| 1 | 65 |
7.7%
|
|
| 2 | 74 |
8.8%
|
|
| 3 | 66 |
7.8%
|
|
| 4 | 70 |
8.3%
|
|
| 5 | 53 |
6.3%
|
|
| 6 | 27 |
3.2%
|
|
| 7 | 9 |
1.1%
|
|
| 8 | 12 |
1.4%
|
|
| 9 | 6 |
0.7%
|
|
| 10 | 37 |
4.4%
|
|
| 11 | 9 |
1.1%
|
|
| 12 | 9 |
1.1%
|
|
| 13 | 2 |
0.2%
|
|
| 14 | 2 |
0.2%
|
|
| 15 | 20 |
2.4%
|
|
| 16 | 4 |
0.5%
|
|
| 17 | 6 |
0.7%
|
|
| 18 | 4 |
0.5%
|
|
| 19 | 1 |
0.1%
|
|
| 20 | 8 |
1%
|
|
| 23 | 2 |
0.2%
|
|
| 24 | 1 |
0.1%
|
|
| 25 | 6 |
0.7%
|
|
| 26 | 2 |
0.2%
|
|
| 27 | 2 |
0.2%
|
|
| 30 | 15 |
1.8%
|
|
| 32 | 2 |
0.2%
|
|
| 34 | 2 |
0.2%
|
|
| 35 | 6 |
0.7%
|
|
| 36 | 2 |
0.2%
|
|
| 38 | 2 |
0.2%
|
|
| 39 | 1 |
0.1%
|
|
| 40 | 9 |
1.1%
|
|
| 45 | 4 |
0.5%
|
|
| 50 | 13 |
1.5%
|
|
| 55 | 3 |
0.4%
|
|
| 57 | 1 |
0.1%
|
|
| 60 | 3 |
0.4%
|
|
| 63 | 1 |
0.1%
|
|
| 64 | 1 |
0.1%
|
|
| 65 | 2 |
0.2%
|
|
| 67 | 1 |
0.1%
|
|
| 69 | 1 |
0.1%
|
|
| 70 | 2 |
0.2%
|
|
| 77 | 1 |
0.1%
|
|
| 80 | 2 |
0.2%
|
|
| 90 | 1 |
0.1%
|
|
| 91 | 1 |
0.1%
|
|
| 100 | 3 |
0.4%
|
|
| 111 | 1 |
0.1%
|
|
| 120 | 3 |
0.4%
|
|
| 123 | 1 |
0.1%
|
|
| 125 | 3 |
0.4%
|
|
| 150 | 1 |
0.1%
|
|
| 162 | 2 |
0.2%
|
|
| 170 | 2 |
0.2%
|
|
| 180 | 1 |
0.1%
|
|
| 190 | 1 |
0.1%
|
|
| 200 | 6 |
0.7%
|
|
| 261 | 1 |
0.1%
|
|
| 271 | 1 |
0.1%
|
|
| 300 | 1 |
0.1%
|
|
| 373 | 1 |
0.1%
|
|
| 400 | 1 |
0.1%
|
|
| 420 | 1 |
0.1%
|
|
| 439 | 1 |
0.1%
|
|
| 600 | 2 |
0.2%
|
|
| 1810 | 1 |
0.1%
|
|
| Sysmiss | 398 |