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/wiretap—stats.html (These figures do not include state wiretaps, and do not include wiretaps under the Foreign Intelligence Surveillance Act.)