Jan ’58Jan ’62Jan ’66Jan ’70Jan ’74Jan ’78Jan ’82Jan ’86Jan ’90Jan ’94Jan ’98Jan ’02Jan ’06Jan ’10Jan ’14Jan ’180200,000400,000600,000800,0001,000,0001,200,0001,400,0001,600,0001,800,0002,000,0002,200,0002,400,0002,600,0002,800,0003,000,0003,200,0003,400,0003,600,0003,800,0004,000,0004,200,000
Estimated Employees Working at Institutions of Higher Education