| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | 0 | 0 | 0 | 0 | 0 | 95 | 112 | 90 | 90 | 76 | 120 | 142 |
| 2010 | 185 | 174 | 133 | 125 | 130 | 123 | 74 | 135 | 106 | 107 | 174 | 232 |
| 2011 | 182 | 154 | 210 | 131 | 168 | 140 | 106 | 169 | 193 | 141 | 167 | 96 |
| 2012 | 125 | 99 | 142 | 116 | 115 | 113 | 152 | 136 | 75 | 109 | 124 | 85 |
| 2013 | 119 | 110 | 110 | 153 | 144 | 167 | 174 | 190 | 171 | 179 | 111 | 191 |
| 2014 | 96 | 145 | 174 | 222 | 197 | 200 | 147 | 207 | 212 | 220 | 226 | 81 |
| 2015 | 83 | 153 | 163 | 206 | 123 | 144 | 195 | 140 | 146 | 140 | 19 | 0 |