| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 25 |
3.5%
|
| 0 | 46 |
6.4%
|
|
| 1 | 90 |
12.5%
|
|
| 2 | 75 |
10.4%
|
|
| 3 | 63 |
8.8%
|
|
| 4 | 68 |
9.5%
|
|
| 5 | 44 |
6.1%
|
|
| 6 | 26 |
3.6%
|
|
| 7 | 21 |
2.9%
|
|
| 8 | 26 |
3.6%
|
|
| 9 | 5 |
0.7%
|
|
| 10 | 21 |
2.9%
|
|
| 11 | 7 |
1%
|
|
| 12 | 16 |
2.2%
|
|
| 13 | 7 |
1%
|
|
| 14 | 7 |
1%
|
|
| 15 | 14 |
1.9%
|
|
| 16 | 8 |
1.1%
|
|
| 17 | 4 |
0.6%
|
|
| 18 | 6 |
0.8%
|
|
| 19 | 3 |
0.4%
|
|
| 20 | 20 |
2.8%
|
|
| 21 | 1 |
0.1%
|
|
| 22 | 2 |
0.3%
|
|
| 23 | 6 |
0.8%
|
|
| 24 | 2 |
0.3%
|
|
| 25 | 7 |
1%
|
|
| 26 | 4 |
0.6%
|
|
| 27 | 5 |
0.7%
|
|
| 28 | 2 |
0.3%
|
|
| 29 | 1 |
0.1%
|
|
| 30 | 11 |
1.5%
|
|
| 31 | 1 |
0.1%
|
|
| 32 | 2 |
0.3%
|
|
| 35 | 2 |
0.3%
|
|
| 37 | 2 |
0.3%
|
|
| 38 | 3 |
0.4%
|
|
| 39 | 1 |
0.1%
|
|
| 40 | 5 |
0.7%
|
|
| 41 | 1 |
0.1%
|
|
| 43 | 2 |
0.3%
|
|
| 44 | 2 |
0.3%
|
|
| 45 | 2 |
0.3%
|
|
| 47 | 1 |
0.1%
|
|
| 49 | 1 |
0.1%
|
|
| 50 | 3 |
0.4%
|
|
| 51 | 1 |
0.1%
|
|
| 55 | 2 |
0.3%
|
|
| 60 | 6 |
0.8%
|
|
| 62 | 1 |
0.1%
|
|
| 65 | 3 |
0.4%
|
|
| 70 | 1 |
0.1%
|
|
| 71 | 2 |
0.3%
|
|
| 72 | 1 |
0.1%
|
|
| 78 | 1 |
0.1%
|
|
| 79 | 2 |
0.3%
|
|
| 80 | 1 |
0.1%
|
|
| 91 | 1 |
0.1%
|
|
| 97 | 1 |
0.1%
|
|
| 100 | 4 |
0.6%
|
|
| 103 | 2 |
0.3%
|
|
| 105 | 1 |
0.1%
|
|
| 110 | 1 |
0.1%
|
|
| 130 | 1 |
0.1%
|
|
| 137 | 2 |
0.3%
|
|
| 140 | 1 |
0.1%
|
|
| 155 | 1 |
0.1%
|
|
| 168 | 1 |
0.1%
|
|
| 180 | 1 |
0.1%
|
|
| 200 | 3 |
0.4%
|
|
| 210 | 1 |
0.1%
|
|
| 213 | 1 |
0.1%
|
|
| 280 | 1 |
0.1%
|
|
| 324 | 1 |
0.1%
|
|
| 400 | 2 |
0.3%
|
|
| 880 | 1 |
0.1%
|
|
| Sysmiss | 367 |