The Academy of Motion Picture Arts and Sciences (AMPAS) have presented their annual Academy Awards, commonly known as the Oscars, for over 90 years. The Academy Awards for Best Actor and Best Actress have been presented since the 1st ceremony in 1929, and the awards for Best Supporting Actor and Best Supporting Actress have been presented since the 9th ceremony in 1937. Of the 945 Academy Award nominees in an acting category, a total of 349 have received two or more acting nominations, 178 women and 171 men.