| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 7 |
0.7%
|
| 2 | February | 3 |
0.3%
|
| 3 | March | 4 |
0.4%
|
| 4 | April | 2 |
0.2%
|
| 5 | May | 17 |
1.7%
|
| 6 | June | 97 |
9.7%
|
| 7 | July | 63 |
6.3%
|
| 8 | August | 91 |
9.1%
|
| 9 | September | 214 |
21.4%
|
| 10 | October | 173 |
17.3%
|
| 11 | November | 214 |
21.4%
|
| 12 | December | 32 |
3.2%
|
| 99 | Don't know | 83 |
8.3%
|
| Sysmiss | 998 |