| Months | Tower 1 | Tower 2 | Tower 3 | Tower 4 | Total |
| January | 1 | 0 | 12 | 2 | 15 |
| February | 1 | 0 | 5 | 1 | 7 |
| March | 1 | 0 | 5 | 1 | 7 |
| April | 0 | 0 | 4 | 0 | 4 |
| May | 0 | 0 | 3 | 0 | 3 |
| June | 0 | 0 | 1 | 0 | 1 |