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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 registering a gain of 0.4%. 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.