NEMA's incandescent lamp shipments index showed precipitous decline of 40.1% compared to same period last year. On annual basis, incandescent lamp shipments during 2012 were down 18.3% – erasing 16.4% gain for 2011. Compact fluorescent lamp shipments dipped slightly during 2012 to index value of 176, a change of 0.3% versus 2011. Meanwhile, halogen A-line lamps continued to make inroads as a viable alternative lamp source increasing by 88.3% over last year.
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