Percentages of Lightbulbs Sold Annually to Residents in North America, by Type
2015
2014
• Halogen
• Incandescent
Compact fluorescent
(CFL)
Light-emitting diode
(LED)
- Fluorescent
2013
0% 10% 20% 30% 40% 50% 60% 70%
The demand for which kind of lightbulb has stayed about the same during
this time period?
A. Fluorescent
B. Incandescent
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C. CFL
0
D. LED