By the numbers.

• Position: Tax revenue estimating - Personal income - Economic growth - Brief article

9 percent--Anticipated decline in Colorado sales- and use-tax revenues for fiscal-year 2008-09 from the previous year. The Office of State Planning and Budgeting attributed the decline in its June 22 revenue forecast to the "rapid collapse auto sales, the rise in fuel prices to nearly $4 a gallon and the subsequent inflationary increase in goods which drove out disposable income."

4.8 percent-colorado's personal income increase in 2008 from the previous year.

0.2 percent--Colorado's projected personal income increase in 2009 over 2008. It is projected to increase...