The authors of the study estimated this to be 24%.
The study estimated that Latinos spend over $528 million a year on movie admissions.
The study estimated savings to the government from the program totalled $2,607 a year per child over 12 years.
The project was likely to generate enough revenue by its seventh year to cover all expenses, the study estimated.
The study estimated that nearly half a million under-19s lived in areas that breached NO2 limits.
If malaria had been eliminated in 1965, Africa's annual gross domestic product would be $400 billion now, rather than $300 billion, the study estimated.
The study estimated that if 60percentt of Americans were immunized, 482 people would die from side effects of the vaccine.
The study estimated that around 54,000 new mothers are losing their jobs across Britain every year – almost twice the number identified in similar research undertaken in 2005.
The study estimated that procuring food locally, or distributing cash or vouchers, results in an average time-saving of nearly 14 weeks.
The study estimated that regular cycling provides a net benefit to personal health that outweighs its risk of injury by a factor of 20 to one.
The study estimated that kickbacks from suppliers and surcharges paid by buyers of Iraqi oil had generated at least an additional $2.3 billion.
