| Value | Category | Cases | |
|---|---|---|---|
| 0 | none/never | 116 |
12.3%
|
| 1 | 216 |
23%
|
|
| 2 | 154 |
16.4%
|
|
| 3 | 100 |
10.6%
|
|
| 4 | 96 |
10.2%
|
|
| 5 | 32 |
3.4%
|
|
| 6 | 36 |
3.8%
|
|
| 7 | 21 |
2.2%
|
|
| 8 | 25 |
2.7%
|
|
| 9 | 15 |
1.6%
|
|
| 10 | 22 |
2.3%
|
|
| 12 | 8 |
0.9%
|
|
| 13 | 1 |
0.1%
|
|
| 14 | 12 |
1.3%
|
|
| 15 | 13 |
1.4%
|
|
| 16 | 4 |
0.4%
|
|
| 19 | 1 |
0.1%
|
|
| 20 | 17 |
1.8%
|
|
| 25 | 2 |
0.2%
|
|
| 26 | 2 |
0.2%
|
|
| 27 | 1 |
0.1%
|
|
| 29 | 3 |
0.3%
|
|
| 30 | 43 |
4.6%
|
|
| Sysmiss | 2014 |