The League of Chicago Theatres recently released an economic impact study on live theatre in the Chicago area. Among the League's findings: member theatres had a total economic output of $347 million in 2002, the most recent year in the study; 2.4 million area residents attended at least one live theatre performance in that year; Chicago theatre audiences are 72% caucasian, with a mean age of 47.14; and the city is home to about 1400 professional actors and 500 behind-the-scenes artists.