| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know | 3 |
1.2%
|
| 1 | 6 |
2.5%
|
|
| 2 | 6 |
2.5%
|
|
| 3 | 2 |
0.8%
|
|
| 4 | 1 |
0.4%
|
|
| 5 | 7 |
2.9%
|
|
| 6 | 1 |
0.4%
|
|
| 7 | 23 |
9.5%
|
|
| 9 | 1 |
0.4%
|
|
| 10 | 20 |
8.3%
|
|
| 12 | 1 |
0.4%
|
|
| 13 | 1 |
0.4%
|
|
| 15 | 32 |
13.3%
|
|
| 18 | 2 |
0.8%
|
|
| 19 | 1 |
0.4%
|
|
| 20 | 9 |
3.7%
|
|
| 21 | 1 |
0.4%
|
|
| 25 | 8 |
3.3%
|
|
| 28 | 1 |
0.4%
|
|
| 30 | 47 |
19.5%
|
|
| 35 | 3 |
1.2%
|
|
| 40 | 1 |
0.4%
|
|
| 45 | 20 |
8.3%
|
|
| 60 | 21 |
8.7%
|
|
| 70 | 2 |
0.8%
|
|
| 75 | 1 |
0.4%
|
|
| 90 | 14 |
5.8%
|
|
| 120 | 3 |
1.2%
|
|
| 150 | 1 |
0.4%
|
|
| 180 | 1 |
0.4%
|
|
| 200 | 1 |
0.4%
|
|
| Sysmiss | 241 |