For example, a large-scale survey conducted in Canada found that as work hours increased and flex-time arrangements became rarer over the last two decades, the percentage of respondents who rated themselves as highly satisfied with their lives plunged by 50% over the same period.
Despite such large-scale imprisonment, the number of people abusing drugs has not changed since 1988, according to the National Household Survey on Drug Abuse for 1997, the most recent available.