NEMA’s indexes for HID lamp shipments continued to hover near historical low levels during 2013Q2. The index for mercury vapor lamp shipments continued to track downward, declining by 8.2% on a year-over-year (y/y) basis. Likewise, shipments of metal halide lamps fell 6.4% y/y, landing at the second lowest level in the series history. Sodium vapor was the lone HID index segment to show improvement. Following four consecutive quarters of y/y declines, the index stabilized during 2013 Q2 by registering a gain of 0.4%.
Shifts in in the market shares held by the each lamp type were marginal during the quarter. Sodium vapor lamps increased their share by 0.9 percentage points to 33.2%. Shares of mercury vapor and metal halide lamps decreased to 4.2% and 62.6%, respectively.
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