| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014 | 0 | 1 | 29 | 37 | 41 | 25 | 332 | 261 | 348 | 306 | 302 | 377 |
| 2015 | 420 | 466 | 476 | 491 | 505 | 439 | 638 | 635 | 682 | 739 | 606 | 701 |
| 2016 | 822 | 602 | 495 | 406 | 331 | 347 | 336 | 173 | 181 | 191 | 181 | 194 |
| 2017 | 197 | 194 | 197 | 318 | 167 | 147 | 139 | 146 | 156 | 169 | 135 | 108 |
| 2018 | 114 | 70 | 116 | 95 | 93 | 94 | 41 | 49 | 0 | 75 | 49 | 50 |
| 2019 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |