| History | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| 2007 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 163,668 | n/a |
| 2008 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 112,373 | 170,783 |
| 2009 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 451,332 | n/a |
| 2010 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 563,406 | n/a |
| 2011 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 662,402 | n/a |
| 2012 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 490,263 | n/a |
| 2013 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 461,758 | n/a |
| 2014 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 472,248 | n/a |
| 2015 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 512,341 | n/a |
| 2016 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 548,188 | n/a |
| 2017 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 565,163 | n/a |
| 2018 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 550,623 | n/a |
| 2019 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 531,323 | n/a |
| 2020 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 609,916 | n/a |
| 2021 | 16,985 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 588,574 | n/a |
| 2022 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 486,805 | n/a |
| 2023 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 513,477 | n/a |
| 2024 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | 510,581 | n/a |