Looking
at the recent trends in drug arrests, the following table shows
there were approximately 1.1 million arrests for drug offenses
in 1990. Of this number, 66,500 (6.1%) were for sale/manufacture
of marijuana and 260,400 (23.9%) were for possession for a total
of 326,900 cases (30%). For 1991, there were approximately 1.0
million arrests for drug offenses. Of this number 6l,610 (6.1%)
were for sale/manufacture of marijuana and 226,240 (22.4%) were
for possession for a total of 287,850 (28.5%). In 1992 there
were 342,314 arrests for drug law violations involving marijuana.
This was 32.1% of all arrests for all drug law violations (1.1
million persons). Of the marijuana arrests, 70,382 (6.6%) were
for sale/manufacture and 271,932 (25.5%) were for possession.
In 1993, there were 380,690 arrests for marijuana. This was
33.8% of all drug arrests. Approximately 6.2% of the marijuana
arrests were for sale/manufacture (69,831), and 27.6% were for
possession (310,859). (Communication from Wayne J. Roques, DEA;
Maguire and Pastore, 1994; Uniform Crime Reports, 1994).
http://www.frw.uva.nl/cedro/library/Drugs16/usa3.html