MRK’s Januvia continues to hold a 75% US volume share and 65% global volume share of DPP-4 market, which is pretty impressive: http://s21.q4cdn.com/755037021/files/doc_financials/quarterly/2016/Q1/Merck-News-Release-05-05-16-Merck-Announces-First-Quarter-2016-Financi....pdf