 
<translate> Iji zaa ajụjụ ahụ, tụlee ihe na-esonụ: DSM dịzi na nke ise ya, bụ́ DSM-5, nke e bipụtara na May 18, 2013. N'ihi ya, azịza ya bụ 5. <eng> To answer the question, consider the following: The DSM is now in its fifth edition, the DSM-5, published on May 18, 2013.
Therefore, the answer is 5. 