The rating on Polk County, Iowa's GO bonds reflects: A stable and diverse Des Moines, Iowa MSA economy; A consistently strong financial performance; and Moderate overall net debt levels. Polk County makes up the base of the Des Moines metropolitan area, which is a stable and diversified regional economic center. Major employment sectors include insurance companies (13,550 employees), health care systems (7,200 employees), and publishers. As the state capital, government employment also lends stability. The unemployment rate has been below state and national levels for the past 22 years, averaging a low 2% in 1998. Per capita personal income is 113% of national levels. Per capita market value of property in 1999 is strong at $42,800. The county's estimated market