|  | | Jan. | Feb. | March | Apr. | May | June | July | Aug. | Sep. | Oct. | Nov. | Dec. | 
 | 
| 2011 | | - | - | - | - | - | - | - | - | - | 4216. 2
 | 3988. 3
 | 3758. 4
 | 
 | 
| 2012 | | 3731. 4
 | 3736. 4
 | 3663. 4
 | 3574. 4
 | 3576. 4
 | 3581. 4
 | 3574. 4
 | 3566. 4
 | 3573. 4
 | 3552. 4
 | 3558. 4
 | 3565. 4
 | 
 | 
| 2013 | | 3577. 4
 | 3605. 4
 | 3562. 4
 | 3511. 4
 | 3420. 4
 | 3406. 4
 | 3411. 4
 | 3427. 4
 | 3506. 4
 | 3695. 3
 | 3951. 2
 | 4018. 1
 | 
 | 
| 2014 | | 6353. 4
 | 6291. 4
 | 6342. 4
 | 6328. 4
 | - | 6356. 4
 | 6438. 4
 | 6747. 4
 | - | 6864. 4
 | 6952. 3
 | 7103. 3
 | 
 | 
| 2015 | | 7125. 3
 | 7209. 3
 | 7145. 3
 | 7172. 3
 | 7163. 3
 | 7178. 3
 | 7204. 3
 | - | - | 7719. 3
 | 8003. 2
 | 8116. 2
 | 
 | 
| 2016 | | 8098. 2
 | 8195. 2
 | 8138. 2
 | 8251. 2
 | 8351. 2
 | 8432. 2
 | - | - | 8823. 2
 | 9222. 2
 | 9394. 1
 | 9689. 1
 | 
 | 
| 2017 | | 9697. 1
 | 9805. 1
 | 9996. 1
 | 10060. 1
 | 10046. 1
 | 10079. 1
 | 10296. 1
 | 10264. 1
 | 10350. 1
 | 11304. 0
 | 11317. 0
 | 11580. 0
 | 
 | 
| 2018 | | 11581. 0
 | 11552. 0
 | 11647. 0
 | 11705. 0
 | 11841. 0
 | 11806. 0
 | 11899. 0
 | 11933. 0
 |  |  |  |  | 
 |