In 2005, according to the Florida Bar Journal (July/August 2008 at page 22) citing the Adminstrative Office of the U.S. Courts, Annual Report of the Director, there were a total of 227,361 "events" at which interpreters were required in the U.S. District Courts. The number of events by language was as follows:
Spanish 214,355 (94%)
Mandarin, Cantonese and Foochow are all languages spoken primarily in China or by persons of Chinese descent.
Total number of languages interpreted 111.
In 2000, the total number of events in all languages was 190,127 and the number of those that involved Spanish language interpretation was 179,271.