| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 2 |
1%
|
| -9 | Don't know (spontaneous) | 8 |
4%
|
| 0 | 10 |
5%
|
|
| 1 | 15 |
7.5%
|
|
| 2 | 15 |
7.5%
|
|
| 3 | 13 |
6.5%
|
|
| 4 | 17 |
8.5%
|
|
| 5 | 11 |
5.5%
|
|
| 6 | 5 |
2.5%
|
|
| 7 | 7 |
3.5%
|
|
| 8 | 5 |
2.5%
|
|
| 9 | 2 |
1%
|
|
| 10 | 11 |
5.5%
|
|
| 11 | 2 |
1%
|
|
| 12 | 3 |
1.5%
|
|
| 13 | 3 |
1.5%
|
|
| 14 | 2 |
1%
|
|
| 15 | 4 |
2%
|
|
| 17 | 2 |
1%
|
|
| 19 | 1 |
0.5%
|
|
| 20 | 5 |
2.5%
|
|
| 23 | 1 |
0.5%
|
|
| 24 | 1 |
0.5%
|
|
| 25 | 5 |
2.5%
|
|
| 26 | 1 |
0.5%
|
|
| 30 | 4 |
2%
|
|
| 35 | 3 |
1.5%
|
|
| 40 | 1 |
0.5%
|
|
| 45 | 1 |
0.5%
|
|
| 46 | 1 |
0.5%
|
|
| 50 | 4 |
2%
|
|
| 52 | 1 |
0.5%
|
|
| 55 | 1 |
0.5%
|
|
| 56 | 2 |
1%
|
|
| 58 | 1 |
0.5%
|
|
| 59 | 1 |
0.5%
|
|
| 60 | 2 |
1%
|
|
| 62 | 1 |
0.5%
|
|
| 65 | 1 |
0.5%
|
|
| 75 | 2 |
1%
|
|
| 80 | 4 |
2%
|
|
| 82 | 1 |
0.5%
|
|
| 90 | 2 |
1%
|
|
| 101 | 1 |
0.5%
|
|
| 105 | 1 |
0.5%
|
|
| 115 | 1 |
0.5%
|
|
| 139 | 1 |
0.5%
|
|
| 150 | 1 |
0.5%
|
|
| 152 | 1 |
0.5%
|
|
| 185 | 1 |
0.5%
|
|
| 190 | 3 |
1.5%
|
|
| 200 | 1 |
0.5%
|
|
| 300 | 1 |
0.5%
|
|
| 350 | 1 |
0.5%
|
|
| 2000 | 1 |
0.5%
|
|
| 2100 | 1 |
0.5%
|
|
| Sysmiss | 146 |