NEMA’s linear fluorescent lamp shipments indexes continued their year-over-year decline in 2015Q4.

After declining for seven consecutive quarters, the index for T12 lamps posted a 4.2% quarter-over-quarter increase, but declined 17.4% from fourth quarter 2014.

T8 and T5 shipments also continued to decline, decreasing by 13.4% and 9.3%, respectively, on a year-over-year basis.

T8 lamps accounted for a 72.4% share of fluorescent lamp shipments in 2015Q4, with T12 lamps claiming a 16.8% share and T5 lamps a 10.7% share.