| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 1506 |
9.6%
|
| 2 | February | 1142 |
7.3%
|
| 3 | March | 1321 |
8.5%
|
| 4 | April | 1290 |
8.3%
|
| 5 | May | 1328 |
8.5%
|
| 6 | June | 1137 |
7.3%
|
| 7 | July | 1218 |
7.8%
|
| 8 | August | 1203 |
7.7%
|
| 9 | September | 1208 |
7.7%
|
| 10 | October | 1221 |
7.8%
|
| 11 | November | 1176 |
7.5%
|
| 12 | December | 1153 |
7.4%
|
| 98 | DK | 543 |
3.5%
|
| 99 | Missing | 3 |
0%
|
| Sysmiss | 158 |
1%
|