<chart caption='Colorado Energy Consumption by Source, 2006' subcaption='Trillion Btu'  plotGradientColor='' formatNumberScale='0' thousandSeparator='' palette='1' >
  <set label="Coal" value="394.3" /> 
  <set label="Natural Gas" value="458.8" /> 
  <set label="Petroleum" value="513" /> 
  <set label="Hydroelectric Power" value="17.8" />
  <set label="Biomass" value="6.8" />
  <set label="Other" value="9.5" />  
  <set label="Net Interstate Flow of Electricity" value="28" /> 
</chart>
