NEMA’s indexes for linear fluorescent lamp shipments increased during Q3 2011 compared to the previous quarter. T8 lamp shipments led the way with a 6.1% gain. Shipments of T5 and T12 lamps followed posting increases of 5.7% and 0.9%, respectively. Year-over-year performance showed double digit growth in T5s of 18.8% and 20.8% for T8s. The index for T12 lamps slipped nearly 10% compared to a year ago. Market shares for each lamp type have remained stable over the previous year. Shares of T5, T8, and T12 lamps were unchanged at 7.6%, 62.4% and 30.0%, respectively, during Q3 2011.
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