|
Year
|
# of NHPs used in research
in U.S.
|
|
1973
|
42,298
|
|
1974
|
51,253
|
|
1975
|
36,202
|
|
1976
|
50,115
|
|
1977
|
53,116
|
|
1978
|
57,009
|
|
1979
|
59,359
|
|
1980
|
56,024
|
|
1981
|
57,515
|
|
1982
|
46,388
|
|
1983
|
54,926
|
|
1984
|
55,338
|
|
1985
|
57,271
|
|
1986
|
48,540
|
|
1987
|
61,392
|
|
1988
|
51,641
|
|
1989
|
51,688
|
|
1990
|
47,177
|
|
1991
|
42,620
|
|
1992
|
55,105
|
|
1993
|
49,561
|
|
1994
|
55,113
|
|
1995
|
50,206
|
|
1996
|
52,327
|
|
1997
|
56,381
|
|
1998
|
57,377
|
|
1999
|
54,927
|
|
2000
|
57,518
|
|
2001
|
49,382
|
| |
|
|
Source: USDA-APHIS
2001 Annual Report
|
|
|
|