Chairman Alan Greenspan talks Before the Futures Industry Associ

http://www.federalreserve.gov/boarddocs/speeches/1999/19990319.htm

Remarks by Chairman Alan Greenspan Financial derivatives Before the Futures Industry Association, Boca Raton, Florida March 19, 1999

Excerption
While U.S. firms' 40 percent share exceeded that of dealers from any other country, the OTC markets are truly global markets,
with significant market shares held by dealers in Canada, France, Germany, Japan, Switzerland, and the United Kingdom.