| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 0 |
0%
|
| 2 | February | 14 |
0.6%
|
| 3 | March | 3 |
0.1%
|
| 4 | April | 17 |
0.7%
|
| 5 | May | 215 |
8.7%
|
| 6 | June | 585 |
23.7%
|
| 7 | July | 599 |
24.2%
|
| 8 | August | 631 |
25.5%
|
| 9 | September | 345 |
14%
|
| 10 | October | 56 |
2.3%
|
| 11 | November | 3 |
0.1%
|
| 12 | December | 0 |
0%
|
| 111 | Used all year | 1 |
0%
|
| 888 | Don't know | 2 |
0.1%
|
| Sysmiss | 1406 |