The U.S. courts publish non-intelligence wiretap stats per year: http://lmgtfy.com/?q=us+courts+annual+wiretap+statistics+2012 http://lmgtfy.com/?q=us+courts+an

The U.S. courts publish non-intelligence wiretap stats per year: http://lmgtfy.com/?q=us+courts+annual+wiretap+statistics+2012 http://lmgtfy.com/?q=us+courts+annual+wiretap+statistics+201... Intelligence gathering is rather different.