Subject Marijuana Placebo
 1        15        23
 2        25        50
 3         0         0
 4         0        99
 5         4        31
 6         2        21
 7         1        79
 8         4       113
 9         9        53
10         0         0
11        22        61
12        11        18
13         0        12
14         0         6
15         0         5