| Value | Category | Cases | |
|---|---|---|---|
| 0 | none/never | 457 |
30.9%
|
| 1 | 211 |
14.3%
|
|
| 2 | 169 |
11.4%
|
|
| 3 | 84 |
5.7%
|
|
| 4 | 94 |
6.4%
|
|
| 5 | 62 |
4.2%
|
|
| 6 | 41 |
2.8%
|
|
| 7 | 45 |
3%
|
|
| 8 | 23 |
1.6%
|
|
| 9 | 11 |
0.7%
|
|
| 10 | 76 |
5.1%
|
|
| 11 | 3 |
0.2%
|
|
| 12 | 9 |
0.6%
|
|
| 13 | 4 |
0.3%
|
|
| 14 | 9 |
0.6%
|
|
| 15 | 12 |
0.8%
|
|
| 18 | 1 |
0.1%
|
|
| 19 | 2 |
0.1%
|
|
| 20 | 35 |
2.4%
|
|
| 21 | 2 |
0.1%
|
|
| 22 | 3 |
0.2%
|
|
| 24 | 4 |
0.3%
|
|
| 25 | 8 |
0.5%
|
|
| 27 | 2 |
0.1%
|
|
| 28 | 6 |
0.4%
|
|
| 29 | 1 |
0.1%
|
|
| 30 | 106 |
7.2%
|
|
| Sysmiss | 2509 |