<Tr> <Td> Ukrainian </Td> <Td> </Td> <Td> 2013.04! April 2013 </Td> <Td> 2015.01! January 2015 </Td> <Td> 21 </Td> </Tr> <Tr> <Td> Azerbaijani </Td> <Td> nationalgeographic.az </Td> <Td> 2014.09! September 2014 </Td> <Td> 2015.12! December 2015 </Td> <Td> 16 </Td> </Tr> <Tr> <Td> Latvian </Td> <Td> nationalgeographic.lv </Td> <Td> 2012.10! October 2012 </Td> <Td> 2016.03! March 2016 </Td> <Td> 42 </Td> </Tr> <Tr> <Td> Persian </Td> <Td> </Td> <Td> 2012.11! November 2012 </Td> <Td> 2017.06! June 2017 </Td> <Td> 56 </Td> </Tr>

Which type of interest group gets its own special category