TABLE 1
Year
| 1969
| 1970
| 1971
| 1972
| 1973
| 1974
| 1975
| 1976
| 1977
| 1978
| 1979
| 1980 |
Number | 33 | 182 | 285 | 206 | 130 | 121 | 108 | 108 | 108 | 108 | 108 | 108 |
TABLE 2
Year
| 1981
| 1982
| 1983
| 1984
| 1985
| 1986
| 1987
| 1988
| 1989
| 1990
| 1991
| 1992 |
Number | 106 | 130 | 208 | 289 | 243 | 250 | 236 | 236 | 236 | 236 | 236 | 236 |
TABLE 3
Year
| 1993
| 1994
| 1995
| 1996
| 1997
| 1998
| 1999 |
| | | | | | | |
Number | 450 | 554 | 532 | 581 | 569 | 566 | 601
|
Source: Administrative Office of the US Courts, as reported on g744http://www.epic.org/privacy/wiretap/stats/wiretapstats.html (These figures do not include state wiretaps, and do not include wiretaps under the Foreign Intelligence Surveillance Act.)