PRESIDENT Ferdinand Marcos Jr.’s approval rating remained at 18 percent in the third quarter, while his trust rating rose by 1 percentage point to 13 percent, according to a Publicus Asia survey that showed generally low ratings for the country’s top government officials.The Pahayag third quarter survey, conducted from Oct. 1 to 4, found that Vice President Sara Duterte had an approval rating of 29 percent, up from 28 percent in the previous qua…