| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 63 |
6.7%
|
| 0 | 223 |
23.7%
|
|
| 1 | 58 |
6.2%
|
|
| 2 | 81 |
8.6%
|
|
| 3 | 49 |
5.2%
|
|
| 4 | 38 |
4%
|
|
| 5 | 60 |
6.4%
|
|
| 6 | 21 |
2.2%
|
|
| 7 | 18 |
1.9%
|
|
| 8 | 17 |
1.8%
|
|
| 9 | 7 |
0.7%
|
|
| 10 | 47 |
5%
|
|
| 11 | 4 |
0.4%
|
|
| 12 | 10 |
1.1%
|
|
| 13 | 2 |
0.2%
|
|
| 14 | 5 |
0.5%
|
|
| 15 | 38 |
4%
|
|
| 16 | 2 |
0.2%
|
|
| 17 | 3 |
0.3%
|
|
| 18 | 5 |
0.5%
|
|
| 19 | 1 |
0.1%
|
|
| 20 | 30 |
3.2%
|
|
| 21 | 3 |
0.3%
|
|
| 22 | 3 |
0.3%
|
|
| 23 | 4 |
0.4%
|
|
| 24 | 4 |
0.4%
|
|
| 25 | 9 |
1%
|
|
| 26 | 4 |
0.4%
|
|
| 28 | 2 |
0.2%
|
|
| 30 | 17 |
1.8%
|
|
| 31 | 1 |
0.1%
|
|
| 32 | 2 |
0.2%
|
|
| 33 | 1 |
0.1%
|
|
| 35 | 7 |
0.7%
|
|
| 39 | 2 |
0.2%
|
|
| 40 | 11 |
1.2%
|
|
| 42 | 1 |
0.1%
|
|
| 43 | 1 |
0.1%
|
|
| 46 | 1 |
0.1%
|
|
| 50 | 21 |
2.2%
|
|
| 51 | 1 |
0.1%
|
|
| 53 | 1 |
0.1%
|
|
| 54 | 1 |
0.1%
|
|
| 58 | 2 |
0.2%
|
|
| 60 | 8 |
0.8%
|
|
| 64 | 1 |
0.1%
|
|
| 65 | 2 |
0.2%
|
|
| 67 | 2 |
0.2%
|
|
| 70 | 7 |
0.7%
|
|
| 72 | 1 |
0.1%
|
|
| 80 | 4 |
0.4%
|
|
| 85 | 1 |
0.1%
|
|
| 90 | 4 |
0.4%
|
|
| 94 | 1 |
0.1%
|
|
| 100 | 8 |
0.8%
|
|
| 118 | 1 |
0.1%
|
|
| 120 | 3 |
0.3%
|
|
| 125 | 1 |
0.1%
|
|
| 130 | 2 |
0.2%
|
|
| 150 | 2 |
0.2%
|
|
| 170 | 1 |
0.1%
|
|
| 180 | 1 |
0.1%
|
|
| 200 | 3 |
0.3%
|
|
| 240 | 1 |
0.1%
|
|
| 300 | 4 |
0.4%
|
|
| 599 | 1 |
0.1%
|
|
| 2000 | 1 |
0.1%
|
|
| 2500 | 1 |
0.1%
|
|
| Sysmiss | 395 |