| | | Jan. | Feb. | March | Apr. | May | June | July | Aug. | Sep. | Oct. | Nov. | Dec. |
|
| 2004 | | - | 2334. 1 | 2440. 1 | 2473. 2 | 2397. 3 | 2485. 3 | 2536. 3 | 2562. 3 | 2219. 6 | 2275. 6 | 2301. 7 | 2252. 8 |
|
| 2005 | |
| 2006 | |
| 2007 | |
| 2008 | |
| 2009 | |
| 2010 | |
| 2011 | |
| 2012 | |
| 2013 | |
| 2014 | |
| 2015 | |
| 2016 | |
| 2017 | |
| 2018 | |
| 2019 | |
| 2020 | 8644. 6 | 8534. 6 | 8600. 6 | - | 8284. 6 | - | 8204. 6 | - | - | 8142. 6 | - | 8041. 6 |
|
| 2021 | 8924. 3 | 8844. 3 | 8717. 3 | 8544. 3 | 8397. 3 | 8299. 3 | 8244. 3 | 8192. 3 | 8124. 3 | 8084. 3 | 8087. 3 | 8026. 3 |
|
| 2022 | 9122. 1 | 8995. 1 | 8855. 1 | 8765. 1 | 8652. 1 | 8531. 1 | 8512. 1 | - | 8449. 1 | 8436. 1 | 8424. 1 | 8422. 1 |
|
| 2023 | |