In general survival rates are improving, although more so for some cancers than others.

"But we'll be adding more sensors, and that rate will improve."

The rate improves slightly by senior year of high school, when 49 percent still have trouble with English.

During the high-debt years of 1980 to 1987, that rate improved to 2.38 percent a year.

But these rates can improve as more effective treatments are found.

Many analysts say the jobless rate should improve if claims hold below 400,000.

How do policy makers know if the new rates will produce more revenue and improve the economy?

But a clear majority of respondents under 50 believed lower rates had improved their financial position.

The jobless rate for the state also improved, but less sharply.

Not every hard drive's files can be recovered, but rates are improving.