| Value | Category | Cases | |
|---|---|---|---|
| -98 | Don't know | 9 |
0.8%
|
| 1 | 1 month | 1 |
0.1%
|
| 2 | 2 months | 6 |
0.5%
|
| 3 | 3 months | 57 |
4.8%
|
| 4 | 4 months | 47 |
4%
|
| 5 | 5 months | 38 |
3.2%
|
| 6 | 6 months | 115 |
9.8%
|
| 7 | 7 months | 14 |
1.2%
|
| 8 | 8 months | 43 |
3.6%
|
| 9 | 9 months | 39 |
3.3%
|
| 10 | 10 months | 197 |
16.7%
|
| 11 | 11 months | 98 |
8.3%
|
| 12 | 12 months | 515 |
43.7%
|
| 101 | .Z | 3727 |