Shipments of sodium vapor high intensity discharge (HID) lamps increased 3.9% to 92.6 in 2010Q2, the highest level in two years. The index reading was 17.1% above the same period last year.
Metal halide HID lamp shipments decreased 4% percent to 82.5 from the previous quarter, but were still 0.5% above the same period last year. The mercury vapor HID index declined 9.5% to 49.2, indicating shipments were less than half of the average 2006 level.
Market shares for sodium vapor and metal halide HID lamp types increased during the quarter. Sodium vapor lamps showed a 35.4% share of sales while metal halide lamps registered a 60.5% share, a slight difference versus the 34.5% and 60.4% figures, respectively, registered in calendar year 2009.
The share of mercury vapor lamps slipped to 4.1% from 4.8 percent during the previous quarter.
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