| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 409 |
26.1%
|
| 0 | 200 |
12.7%
|
|
| 1 | 99 |
6.3%
|
|
| 2 | 147 |
9.4%
|
|
| 3 | 110 |
7%
|
|
| 4 | 68 |
4.3%
|
|
| 5 | 146 |
9.3%
|
|
| 6 | 50 |
3.2%
|
|
| 7 | 16 |
1%
|
|
| 8 | 34 |
2.2%
|
|
| 9 | 10 |
0.6%
|
|
| 10 | 60 |
3.8%
|
|
| 11 | 4 |
0.3%
|
|
| 12 | 20 |
1.3%
|
|
| 13 | 2 |
0.1%
|
|
| 14 | 7 |
0.4%
|
|
| 15 | 20 |
1.3%
|
|
| 16 | 3 |
0.2%
|
|
| 17 | 3 |
0.2%
|
|
| 18 | 3 |
0.2%
|
|
| 19 | 2 |
0.1%
|
|
| 20 | 27 |
1.7%
|
|
| 21 | 1 |
0.1%
|
|
| 22 | 4 |
0.3%
|
|
| 23 | 4 |
0.3%
|
|
| 24 | 1 |
0.1%
|
|
| 25 | 21 |
1.3%
|
|
| 26 | 1 |
0.1%
|
|
| 27 | 1 |
0.1%
|
|
| 28 | 2 |
0.1%
|
|
| 30 | 16 |
1%
|
|
| 33 | 2 |
0.1%
|
|
| 34 | 1 |
0.1%
|
|
| 35 | 6 |
0.4%
|
|
| 36 | 1 |
0.1%
|
|
| 37 | 1 |
0.1%
|
|
| 38 | 1 |
0.1%
|
|
| 40 | 13 |
0.8%
|
|
| 45 | 2 |
0.1%
|
|
| 50 | 15 |
1%
|
|
| 56 | 1 |
0.1%
|
|
| 60 | 8 |
0.5%
|
|
| 67 | 1 |
0.1%
|
|
| 68 | 1 |
0.1%
|
|
| 70 | 1 |
0.1%
|
|
| 75 | 2 |
0.1%
|
|
| 80 | 5 |
0.3%
|
|
| 86 | 1 |
0.1%
|
|
| 88 | 1 |
0.1%
|
|
| 90 | 1 |
0.1%
|
|
| 96 | 1 |
0.1%
|
|
| 100 | 5 |
0.3%
|
|
| 115 | 1 |
0.1%
|
|
| 120 | 1 |
0.1%
|
|
| 123 | 1 |
0.1%
|
|
| 140 | 1 |
0.1%
|
|
| 153 | 1 |
0.1%
|
|
| 155 | 1 |
0.1%
|
|
| 200 | 1 |
0.1%
|
|
| 280 | 1 |
0.1%
|
|
| 4500 | 1 |
0.1%
|
|
| Sysmiss | 1385 |