 
 <translate> To answer this question, we should know that: Since that designation, Duke has won two additional national titles in 2010 and 2015.
So, the final answer is 2015. <hau> Don amsa wannan tambayar, ya kamata mu san cewa: Tun da wannan sunan, Duke ya lashe wasu sunayen sarauta guda biyu a shekarar 2010 da 2015. Don haka, amsar karshe ita ce 2015. 