| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014 | 0 | 0 | 0 | 0 | 0 | 7 | 19 | 21 | 20 | 25 | 256 | 242 |
| 2015 | 315 | 318 | 300 | 304 | 282 | 201 | 198 | 215 | 179 | 194 | 179 | 177 |
| 2016 | 222 | 173 | 222 | 198 | 181 | 138 | 129 | 179 | 148 | 229 | 198 | 176 |
| 2017 | 217 | 200 | 248 | 174 | 262 | 78 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |