From Wiki:
units - month
13,158 - Oct. 2007
12,494 - Sep. 2007
8,733 - Oct. 2006
10,492 - Sep. 2006
Without the Federal tax credit that ended in September, Prius sales went up. Another hybrid skeptic argument has bit the dust.
IMHO, the Federal tax credit always seemed to match exactly the dealer markup. A curious coincidence, don't you know.
Bob Wilson