| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 21 |
0.5%
|
| 2 | February | 4 |
0.1%
|
| 3 | March | 24 |
0.6%
|
| 4 | April | 335 |
8.8%
|
| 5 | May | 560 |
14.6%
|
| 6 | June | 577 |
15.1%
|
| 7 | July | 585 |
15.3%
|
| 8 | August | 367 |
9.6%
|
| 9 | September | 94 |
2.5%
|
| 10 | October | 5 |
0.1%
|
| 11 | November | 0 |
0%
|
| 12 | December | 2 |
0.1%
|
| 111 | Used all year | 431 |
11.3%
|
| 888 | Don't know | 818 |
21.4%
|
| Sysmiss | 54 |