| Value | Category | Cases | |
|---|---|---|---|
| 1 | January | 177 |
8.5%
|
| 2 | February | 38 |
1.8%
|
| 3 | March | 44 |
2.1%
|
| 4 | April | 30 |
1.4%
|
| 5 | May | 16 |
0.8%
|
| 6 | June | 20 |
1%
|
| 7 | July | 15 |
0.7%
|
| 8 | August | 34 |
1.6%
|
| 9 | September | 9 |
0.4%
|
| 10 | October | 19 |
0.9%
|
| 11 | November | 11 |
0.5%
|
| 12 | December | 35 |
1.7%
|
| 13 | All year (operated every month) | 1624 |
78.4%
|