↑ Final table 2014. (No longer available online.) Archived from the original on February 7, 2015 ; Retrieved February 7, 2015 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.ishd.de
↑ Final table 2013. (No longer available online.) Archived from the original on February 7, 2015 ; Retrieved February 7, 2015 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.ishd.de
↑ Final table 2012. (No longer available online.) Archived from the original on February 7, 2015 ; Retrieved February 7, 2015 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.ishd.de
↑ Final table 2011. (No longer available online.) Archived from the original on February 7, 2015 ; Retrieved July 6, 2012 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.ishd.de
↑ Final table 2009. (No longer available online.) Archived from the original on December 4, 2015 ; Retrieved July 6, 2012 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.ishd.de
↑ Final table 2008. (No longer available online.) Archived from the original on January 16, 2016 ; Retrieved July 6, 2012 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.ishd.de
↑ Final table 2011. (No longer available online.) Archived from the original on February 23, 2016 ; Retrieved July 6, 2012 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.ishd.de
↑ Final table 2010. (No longer available online.) Archived from the original on March 5, 2016 ; Retrieved July 6, 2012 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.ishd.de
↑ Final table 2009. (No longer available online.) Archived from the original on March 8, 2016 ; Retrieved July 6, 2012 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.ishd.de
↑ Final table 2008. (No longer available online.) Archived from the original on December 11, 2015 ; Retrieved July 6, 2012 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.ishd.de