The ratings on the city and county of Denver's GO bonds and the bonds issued for the Denver Board of Water Commissioners reflect: A strong and diverse economy, Above-average wealth and income levels, Moderately low debt, and Strong financial performance. These factors are offset slightly by the state constitution, Amendment One's limitation on revenues. The Denver Board of Water Commissioners' bonds are additionally secured by water revenues. Denver serves as a services, trade, and transportation center for the greater Rocky Mountain region. Its growing metropolitan employment is diversified among services, trade, government, and manufacturing, although services accounted for 31% of the total in 1998. Growth has occurred particularly in services, finance, and construction, although construction constituted only 6% of 1998's