A second reason to doubt that drunk driving is a very serious offense is that the proscribed conduct is performed so frequently. Estimates of the amount of drunk driving vary widely, partly because of the inability of respondents to accurately report [sic] whether or not they have ever committed the offense. Although a majority of drivers admit to having combined drinking and driving at some time in their lives, the best guess is that about twenty percent of American drivers, or thirty-three million persons, drive while legally impaired each year.
(Douglas N. Husak, "Is Drunk Driving a Serious Offense?," Philosophy & Public Affairs 23 [winter 1994]: 52-73, at 71 [footnotes omitted])
