The NEMA Linear Fluorescent Lamp Index showed respective market share of 57.3% for T8, 8.6% for T5 and 12.4% for T12 in the first quarter of 2017. The index rating for each of these declined by 10.5%, 9.3% and 8.1%, respectively, compared to the first quarter.

Remarkably, TLED lamps, which accounted for 15.3% of shipments in the first quarter, increased to 21.7% in the second quarter.