Table:
text: California Community Colleges System
Faculty and staff
Faculty and staff
Data_ Headcount Percent_of_total Less_than_25_000 _25_000_to_40_000 _40_000_to_50_000 _50_000_to_60_000 _60_000_to_70_000 _70_000_to_80_000 More_than_80_000 Mean
Educational administrators 1965 2.2% 1.93% 0.51% 0.92% 0.97% 1.42% 2.85% 90.08% $116,855
Tenured and tenure tracked faculty 18196 20.3% 0.21% 0.92% 2.21% 7.85% 16.24% 23.10% 48.70% $78,498
Classified administrators 1470 2.0% 1.6% 1.22% 4.29% 8.71% 11.29% 15.24% 57.69% $87,816
Classified professionals 1817 2.0% 7.82% 7.93% 10.24% 18.66% 17.56% 14.14% 21.79% $62,161
Classified support staff 24425 27.3% 10.51% 25.85% 30.62% 16.68% 7.42% 2.80% 1.85% $43,773
Academic temporary instructors 41624 46.5% N/A N/A N/A N/A N/A N/A N/A N/A

Question: What is the sum of the staff counts in the system of California community colleges that have a n/a value of $60,000 to $70,000?

Question: What is the average of the $70-80k that is 2.80% under the California Community Colleges system?

Question: Which has more than $80,000 and 2.2% overall percentage among California community colleges?

Question: What is the overall percentage of the $40,000-50,000 that is unreported in the California Community Colleges system?