Only 3.3 percent of the samples exceeded the limit, the study said.
The exemption is now $675,000, and only 2 percent of estates exceed that.
State officials say that in a typical year 90 percent of Medicaid recipients will not exceed the limits.
And among third graders, 100 percent exceeded the level in math.
In 1993, the organization said, 2.9 percent of the payments made by its companies exceeded $1 million.
At least 10 percent of Japanese students exceeded that level.
Only 23 percent of fifth graders exceed state standards on reading tests, about half the metro average.
In District 24, 60 percent of students met or exceeded the standards, an increase of 11.2 percentage points from 2002.
And 85 percent of them had exceeded the maximum cumulative dose.
In the same survey, 35 percent had incomes under $40,000, while 30 percent exceeded $60,000.