Women accounted for 16.1 percent of executives at Japan's top-listed companies, a survey by its top business lobby showed Wednesday, up 2.8 percentage points from the previous year and moving steadily toward the government's goal of at least 30 percent by 2030.But women who were internally promoted to board members made up just 3.4 percent, or fewer than 300, of the total, highlighting the need for companies to enhance training programs to help female workers advance their careers to top positions.The survey by the Japan Business Federation, also known as Keidanren, examined 1,637 companies…READ FULL ARTICLE