That figure hasn't changed much in the past 20 years, but other things have.

By 1998, that figure had changed to $4 million over two years.

Those figures may change significantly over the course of the campaign.

Over the last 30 years, through good economic times and bad, this figure has not changed a great deal.

Once again, the central figure changed color, this time to yellow.

County officials say those figures have changed little in the past year.

These figures change when foreign language skills are taken into account.

But he added that the figures could change at different times.

Those figures have changed little since a similar study was made three years ago.

I should like to know whether the figure has changed.