| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 2 |
4%
|
| 2 | February | 1 |
2%
|
| 3 | March | 1 |
2%
|
| 4 | April | 0 |
0%
|
| 5 | May | 0 |
0%
|
| 6 | June | 2 |
4%
|
| 7 | July | 4 |
8%
|
| 8 | August | 8 |
16%
|
| 9 | September | 6 |
12%
|
| 10 | October | 5 |
10%
|
| 11 | November | 5 |
10%
|
| 12 | December | 16 |
32%
|
| 13 | During the year | 0 |
0%
|
| 14 | Never sold | 0 |
0%
|
| Sysmiss | Do not know | 0 | |
| Sysmiss | 15 |