| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2013 | 0 | 0 | 0 | 2 | 1 | 2 | 2 | 1 | 8 | 9 | 1 | 3 |
| 2014 | 4 | 4 | 4 | 2 | 6 | 4 | 3 | 6 | 13 | 10 | 6 | 16 |
| 2015 | 33 | 7 | 8 | 8 | 4 | 9 | 10 | 7 | 6 | 17 | 16 | 10 |
| 2016 | 14 | 19 | 24 | 22 | 21 | 20 | 16 | 18 | 12 | 20 | 35 | 26 |
| 2017 | 19 | 24 | 39 | 27 | 18 | 17 | 17 | 17 | 26 | 26 | 22 | 15 |
| 2018 | 7 | 21 | 30 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |