Total number of state income tax returns filed in 2013 in Colorado. Source: Colorado Department of Revenue

The amount of back wages owed by Aspen businesses in wage violations for their employees following a Department of Labor investigation in Fiscal Year 2013. Source: Department of Labor

Total taxable gallons of beer in reported in Colorado in 2013. Source: Colorado Department of Revenue

Number of “active” medical marijuana centers, those with licenses issued as well as those with licenses pending, in 2013. Source: Colorado Department of Revenue

Number of Denver Broncos license plates reported issued in 2012. Source: Colorado Department of Revenue

Percent of Colorado tax collections that came from income taxes in 2013. Source: Colorado Department of Revenue

Total number of war casualties of U.S. service personnel in conflicts since the Revolutionary War. Source: U.S Department of Veterans Affairs, U.S. Department of Defense

The last year in which the fuel tax on gasoline was raised. With a gas tax of 22 cents a gallon, Colorado ranks 34th among states. Source: Colorado Tax Profile and Expenditure Report

The effective combined state and local tax rate in 2010 for households earning less than $10,000 in Colorado. The effective rate for households with income greater than $100,000 was 5.7 percent. Source: Colorado Tax Profile and Expenditure Report

Colorado’s rank among states for per capita spending on public welfare. Source: Colorado Tax Profile and Expenditure Report