U.S.A.:  Psychiatric Drugs 2009
[Source: Express Scripts 2009 Drug Trend Report]
antidepressants     9.9%           31,000,000
anticonvulsants     4.0%           12,300,000
stimulants       2.2%     6,754,000
*antipsychotics     1.8%     5,526,000
*part of Express Scripts’ “mental/neurological” class:
 includes lithium, dementia drugs, sub. abuse