| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 month | 5 |
0.1%
|
| 2 | 2 months | 35 |
1%
|
| 3 | 3 months | 118 |
3.3%
|
| 4 | 4 months | 199 |
5.5%
|
| 5 | 5 months | 163 |
4.5%
|
| 6 | 6 months | 509 |
14.2%
|
| 7 | 7 months | 174 |
4.8%
|
| 8 | 8 months | 198 |
5.5%
|
| 9 | 9 months | 78 |
2.2%
|
| 10 | 10 months | 136 |
3.8%
|
| 11 | 11 months | 61 |
1.7%
|
| 12 | 12 months | 1912 |
53.3%
|
| Sysmiss | 23888 |