Some 19 percent think the New York real estate magnate should drop out, 70 percent think he should stay in and 10 percent say they “don’t know,” according to the Aug. 5-8 poll of 396 registered Republicans. The poll has a confidence interval of six percentage points.

Among all registered voters, some 44 percent want Trump to drop out. That is based on a survey of 1,162 registered voters, with a confidence interval of 3 percentage points. That is 9 points higher than his support for the presidency in the latest Reuters/Ipsos tracking poll registered on Monday.

The figures underscored deep divisions within the Republican Party over Trump’s candidacy. A number of prominent Republicans have declined to endorse him in the Nov. 8 election against Democratic rival Hillary Clinton, citing his fiery rhetoric and policy proposals such as building a wall along the U.S.-Mexican border and temporarily banning Muslims from entering the country.