3,Mar. 2015,Jan. 2015, NL May   2014 + NL June   2014 + … + NL Jan   2015 ,
4,June 2015,Apr. 2015, NL May   2014 + NL June   2014 + … + NL Apr   2015 ,
5,Sept. 2015,July 2015, NL May   2014 + NL June   2014 + … + NL Jul   2015 ,
6,Dec. 2015,Oct. 2015, NL May   2014 + NL June   2014 + … + NL Oct   2015 ,
7,Mar. 2016,Jan. 2016, NL May2014 + NL June2014 + … + NL Jan2016  ,
8,June 2016,Apr. 2016, NL May   2014 + NL June   2014 + … + NL Apr   2016 ,