monthly data
| Year
|
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | TOTAL |
| 2011 |
| | 4 | 372 | 513 | 459 | 439 | 402 | 334 | 232 | 90 | 67 | 2913 |
| 2012 |
89 | 155 | 379 | 354 | 460 | 376 | 434 | 390 | 359 | 180 | 94 | 61 | 3353 |
| 2013 |
65 | 136 | 212 | 438 | 472 | 474 | 588 | 408 | 276 | 159 | 100 | 60 | 3404 |
| 2014 |
76 | 165 | 327 | 378 | 485 | 525 | 536 | 406 | 329 | 174 | 91 | 70 | 3579 |
| 2015 |
96 | 158 | 317 | 509 | 464 | 531 | 452 | 343 | 351 | 174 | 58 | 48 | 3497 |
| 2016 |
117 | 231 | 343 | 437 | 501 | 420 | 478 | 482 | 305 | 262 | 172 | 93 | 3841 |
| 2017 |
134 | 131 | 318 | 457 | 478 | 469 | 449 | 424 | 311 | 229 | 181 | 91 | 3672 |
| 2018 |
126 | 252 | 232 | 339 | 527 | 567 | 570 | 416 | 356 | 282 | 149 | 90 | 3906 |
| 2019 |
121 | 237 | 353 | 428 | 513 | 419 | 518 | 480 | 385 | 214 | 124 | 111 | 3903 |
| 2020 |
120 | 175 | 418 | 539 | 661 | 500 | 476 | 417 | 410 | 216 | 151 | 106 | 4190 |
| 2021 |
90 | 188 | 325 | 512 | 492 | 438 | 479 | 381 | 370 | 247 | 144 | 81 | 3745 |
| 2022 |
141 |
196 |
370 |
421 |
499 |
479 |
489 |
478 |
336 |
294 |
147 |
85 |