In other words, evolution happens at a faster rate in Kenya than, say, in Kansas.
Over the same period, Chicago's scores also improved, rising at a faster rate in the last three years.
Doctors speculate the virus may have been able to reproduce at a faster rate in radiation-damaged tissues.
Indeed, as the chart shows, the UK actually recovered lost ground at a faster rate in the 1930s.
The blue line shows a scenario where the budget is increased slowly at first and at a faster rate in later years (ie back-loaded).
But these businesses are proliferating at a faster rate in New Jersey -- to 2,398 today from 974 three years ago, the survey said.
BMW's group sales increased at a faster rate in June than those at German premium rivals Audi and Mercedes, up 6.9% to 184,489.
In fact, the city's Hispanic population grew at a faster rate in 2007-8 than during any other year this decade.
Other producers are seeing a similar trajectory, with some having to increase at a faster rate in order to hold onto their milk producers.
For 2002, Mr. Coen again estimated that ad spending overseas would climb at a faster rate in percentage terms than in this country.
Second, and more relevant, the number of flies increased at a faster rate in the mixed population than in the single-strain populations.
