11.   But the last two seasons have brought to Grambling an unprecedented level of frustration and controversy.

12.   But they have also flat-out guaranteed unprecedented levels of security.

13.   But this week, NIPC has gotten an unprecedented level of cooperation from numerous federal agencies and private companies, including Microsoft, to fight Code Red.

14.   By the time the two teams advanced to the Final Four in Salt Lake City, the hype reached an unprecedented level.

15.   Despite budget deficits rising to unprecedented levels, interest rates retreated, inflation subsided and the economy revived.

16.   Doctors, psychologists and social workers say stress-related illnesses in Sarajevo have soared to unprecedented levels over the past few months.

17.   Even common species thrive at levels unprecedented in most regions.

18.   Even with many unresolved points and questionable chances for implementation, the treaty represents an unprecedented level of international accord on an extremely complex and contentious issue.

19.   For now, the investment dollars continue to flood Fidelity at unprecedented levels.

20.   For the next several months, Mexico is expected to see an unprecedented level of intra-party squabbling as PRI aspirants hit the campaign trail leading up to the primary.