The highest rates of use were consistently among those aged 25 34 years.
Rates of use among all drivers range from 89percentt in California to 50percentt in Mississippi.
Moreover, a number of studies have found little or no link between liberalized marijuana laws and increased rates of use.
Our first calculation said that at the then rates of use of telephone numbers, we'd run out of 10-digit telephone numbers by, interestingly, 2008.
A 2013 ACLU report found that despite similar rates of use, blacks are 3.7 times more likely than whites to be arrested for marijuana possession.
While poor connectivity is partly to blame, some more remote areas, including the Highlands and Islands, reported higher rates of use.
Interest in herbal treatments has increased without data on safety, efficacy, or rates of use in pregnancy.
This high prevalence of chronic conditions among IHSS recipients contributes to their high rates of use of emergency rooms and hospitals.
Scotland and Spain also have high rates of use, as both countries showed 2011 rates that were twice as high as the global average.
Vocal consumers, on the other hand, tend to point to high rates of use as a sign of the drug's acceptance within the populace.
"What we've seen in the most recent data from 2014 is the surprisingly high rates of use of e-cigarettes by 14-, 16- and 18-year-olds.
