The median increase in total compensation of superintendents in the county was 8.6 percent last year, according to data reported to the Education Department.

The median increase for assistant and deputy superintendents was nearly as much, 7.8 percent.

Across the city, the study said, the median increase on vacant apartments would be $32 a month, or an average of 4 percent.

The median increase in performance varied between 14% (customer satisfaction) and 62% (productivity).

The median increase was estimated at 2.4 percent.

For executives below board level the median increase was about 10 per cent.

The median increase for full-time white workers was $11 a week, to $391.

The countywide median increase was 24.8 percent.

Base salaries in 2009 showed a median increase of around 2%, and annual cash compensation increased just over 1.5%.

The median increase was closer to 15.3 percent.