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NEMA’s shipment index for incandescent lamps increased for the second consecutive quarter in Q2 2011, showing an improvement of 5.6% over the same period last year. Conversely, the index for CFLs declined for the fifth consecutive quarter. Moreover, the rate of decline in the shipments index accelerated to 18.5% on a year-over-year basis versus 16.8% y/y and 8.7% y/y during Q1 2011 and Q4 2010, respectively.