| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 3 |
8.6%
|
| 2 | February | 1 |
2.9%
|
| 3 | March | 1 |
2.9%
|
| 4 | April | 11 |
31.4%
|
| 5 | May | 6 |
17.1%
|
| 6 | June | 1 |
2.9%
|
| 7 | July | 1 |
2.9%
|
| 8 | August | 1 |
2.9%
|
| 9 | September | 0 |
0%
|
| 10 | October | 1 |
2.9%
|
| 11 | November | 4 |
11.4%
|
| 12 | December | 2 |
5.7%
|
| 13 | During the year | 0 |
0%
|
| 14 | Never sold | 3 |
8.6%
|
| Sysmiss | Do not know | 0 | |
| Sysmiss | 30 |