<chart caption='Colorado SOx Emissions from Electric Power Production for 2007' subcaption='Metric Tons'  plotGradientColor='' formatNumberScale='0' thousandSeparator='' palette='1' >
  <set label="Coal" value="58779" /> 
  <set label="Natural Gas" value="32" /> 
  <set label="Petroleum" value="25" /> 
</chart>
