| Value | Category | Cases | |
|---|---|---|---|
| 0 | Less than one month ago | 1 |
2.7%
|
| 2 | 5 |
13.5%
|
|
| 4 | 2 |
5.4%
|
|
| 5 | 2 |
5.4%
|
|
| 6 | 3 |
8.1%
|
|
| 7 | 2 |
5.4%
|
|
| 8 | 3 |
8.1%
|
|
| 12 | 6 |
16.2%
|
|
| 13 | 2 |
5.4%
|
|
| 14 | 1 |
2.7%
|
|
| 15 | 1 |
2.7%
|
|
| 17 | 1 |
2.7%
|
|
| 18 | 1 |
2.7%
|
|
| 20 | 2 |
5.4%
|
|
| 95 | More than 24 months ago | 4 |
10.8%
|
| 98 | DK / Not sure | 1 |
2.7%
|
| 99 | Missing | 0 |
0%
|
| Sysmiss | 7589 |