| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
4.5%
|
| -6 | Still in progress | 0 |
0%
|
| 1 | One week or less | 64 |
41.3%
|
| 2 | 10 |
6.5%
|
|
| 3 | 2 |
1.3%
|
|
| 4 | 26 |
16.8%
|
|
| 5 | 1 |
0.6%
|
|
| 6 | 2 |
1.3%
|
|
| 7 | 2 |
1.3%
|
|
| 8 | 4 |
2.6%
|
|
| 10 | 1 |
0.6%
|
|
| 12 | 1 |
0.6%
|
|
| 14 | 5 |
3.2%
|
|
| 15 | 4 |
2.6%
|
|
| 16 | 1 |
0.6%
|
|
| 20 | 1 |
0.6%
|
|
| 22 | 1 |
0.6%
|
|
| 24 | 1 |
0.6%
|
|
| 30 | 20 |
12.9%
|
|
| 45 | 2 |
1.3%
|
|
| Sysmiss | 847 |