Month Year | 3 | 5 | 6 | 7 | 12 | Total |
2011 |
| −1 |
|
|
| −1 |
2012 |
|
| +1 | −1 |
|
|
2013 |
|
|
|
| +1 | +1 |
2014 |
|
| +1 |
|
| +1 |
2015 |
|
|
|
|
|
|
Total |
| −1 | +2 | −1 | +1 | +1 |