| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 2 |
1%
|
| -9 | Don't know (spontaneous) | 9 |
4.5%
|
| 0 | 17 |
8.5%
|
|
| 1 | 21 |
10.6%
|
|
| 2 | 19 |
9.5%
|
|
| 3 | 15 |
7.5%
|
|
| 4 | 11 |
5.5%
|
|
| 5 | 9 |
4.5%
|
|
| 6 | 11 |
5.5%
|
|
| 7 | 4 |
2%
|
|
| 8 | 6 |
3%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 9 |
4.5%
|
|
| 11 | 3 |
1.5%
|
|
| 12 | 4 |
2%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 7 |
3.5%
|
|
| 17 | 3 |
1.5%
|
|
| 20 | 2 |
1%
|
|
| 22 | 1 |
0.5%
|
|
| 25 | 2 |
1%
|
|
| 26 | 1 |
0.5%
|
|
| 30 | 2 |
1%
|
|
| 32 | 1 |
0.5%
|
|
| 35 | 2 |
1%
|
|
| 38 | 1 |
0.5%
|
|
| 40 | 1 |
0.5%
|
|
| 45 | 1 |
0.5%
|
|
| 47 | 1 |
0.5%
|
|
| 50 | 3 |
1.5%
|
|
| 52 | 1 |
0.5%
|
|
| 54 | 1 |
0.5%
|
|
| 55 | 2 |
1%
|
|
| 56 | 2 |
1%
|
|
| 58 | 1 |
0.5%
|
|
| 60 | 1 |
0.5%
|
|
| 62 | 1 |
0.5%
|
|
| 63 | 1 |
0.5%
|
|
| 75 | 1 |
0.5%
|
|
| 80 | 2 |
1%
|
|
| 90 | 3 |
1.5%
|
|
| 100 | 2 |
1%
|
|
| 101 | 1 |
0.5%
|
|
| 130 | 1 |
0.5%
|
|
| 139 | 1 |
0.5%
|
|
| 140 | 1 |
0.5%
|
|
| 150 | 1 |
0.5%
|
|
| 183 | 1 |
0.5%
|
|
| 190 | 1 |
0.5%
|
|
| 200 | 1 |
0.5%
|
|
| 300 | 1 |
0.5%
|
|
| 1700 | 1 |
0.5%
|
|
| 2100 | 1 |
0.5%
|
|
| Sysmiss | 146 |