The eleven letters cover a nine-year period, 1530 to 1539.

For comparison, Hand used a nine-year period, with four years on either side of the thesis year.

Over a nine-year period, 9% developed cancer in their other breast.

This was an 11% decline over a nine-year period.

The film follows the project from start to end over a nine-year period.

Over a nine-year period 320 students, 98 percent of them black, transferred to Hawthorne.

Overall, these countries account for 2.3% of the total aid during the same nine-year period.

The buildings and dam were restored by volunteers over a nine-year period.

For some States, however, this sort of nine-year period will not be sufficient to carry out the necessary adjustments.

Local stories often claim Greenwood was "completed during a nine-year period from 1835 to 1844."