| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 4 |
7.1%
|
| 2 | February | 3 |
5.4%
|
| 3 | March | 3 |
5.4%
|
| 4 | April | 16 |
28.6%
|
| 5 | May | 5 |
8.9%
|
| 6 | June | 6 |
10.7%
|
| 7 | July | 2 |
3.6%
|
| 8 | August | 4 |
7.1%
|
| 9 | September | 2 |
3.6%
|
| 10 | October | 4 |
7.1%
|
| 11 | November | 1 |
1.8%
|
| 12 | December | 0 |
0%
|
| 13 | During the year | 4 |
7.1%
|
| 14 | Never sold | 2 |
3.6%
|
| Sysmiss | Do not know | 0 | |
| Sysmiss | 9 |