For example, if 20 percent of check engine light problems reported came from a certain vehicle but it made up only 10 percent of the vehicle population it would have an index of 2.00 (20 percent divided by 10 percent).
Kauffman bases its entrepreneurial activity index on a monthly population survey jointly sponsored by the Census Bureau and Bureau of Labor Statistics.
The third Congestion Index examines the congestion in 57 metropolitan areas with a population of more than 950, 000, and found Los Angeles continued to be the most congested city in North America.
To determine our list, we ranked more than 200 cities (minimum population: 100, 000) in the continental U.S. using a proprietary index based on the latest pricing data from the Council for Community and Economic Research in Arlington, Va.
Corruption further exacerbates discontent among the population, with Angola ranked 168th out of 183 countries on Transparency International's 2011 Corruption Perceptions Index.