Article from: www.thenewspaper.com/news/00/59.asp
An investigation by The Daily Telegraph has shown that of 171 police fleet vehicles recorded by fixed speed cameras exceeding limits without reasonable excuse, only 10 so far have been required to pay their infringement notice after appeals were lodged....Source: Speeding police slow to pay fines (The Daily Telegraph (Australia), 12/31/2004)
The handful of police required to pay their fines is in contrast to the 393,778 ordinary drivers zapped for speeding in 2003-04, which generated more than $53 million in fines.