Reflections on the Chinese experience during the past quarter-century.

After all, 325 species of birds that have stopped by in the past quarter-century cannot be wrong.

Standard & Poor's puts together a list of companies that have managed to raise their dividends every year for the past quarter-century.

Ecuador is sometimes presented as a case study of democratic failures over the past quarter-century.

The Goddard analysis also found that the rate of global warming for the past quarter-century was greater than at any other time since 1880.

"You really don't believe that any of what's happened this past quarter-century has been foretold?"

"It's the biggest breakthrough in a traditional Southern industry for probably the past quarter-century."

In fact several studies of Stowe have appeared during the past quarter-century.

We've read its various parts in at least a dozen books over the past quarter-century.

"We don't know what the weather has been like, except for the past quarter-century."