He was interviewed over 300 times in just a few months.
Around 20,000 workers were interviewed over a period of two years.
The respondents are interviewed four times over a period of one and a half years.
Smith interviewed an estimated 25 to 30 people over five days.
She was interviewed and written about in magazines all over the world as well.
We had one radio station in town, and they interviewed her over the air, not once, but twice.
John interviewed over 40 of the great American photographers from 1995 through 2007.
"I'll be able to interview important people all over the world," Dana told her mother.
I was interviewed over the phone once for a story in the arts section of the newspaper.
The participants were interviewed over three time periods: In 2001 to 2002, 2003 to 2004, and 2005 to 2006.