NEMA’s shipment indexes for HID lamps continued to decline during 2013Q4. Shipments of sodium vapor lamps fell 5.7% on a seasonally adjusted basis compared to the previous quarter. Metal halide lamps contracted for the seventh consecutive quarter declining 3.6% on a quarterly basis. Following suit, the index for mercury vapor lamps dipped 5.6%. Calendar year 2013 showed decreases of 6.1% and 7% for sodium vapor and metal halide lamps, respectively. Mercury vapor lamps shipments posted an annual decline of 8.9% during CY2013.
Market shares for sodium and mercury vapor lamps declined marginally to 32.3% and 4%, respectively. In contrast, metal halide lamps increased during the quarter reaching 63.7%.
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