NEMA’s lamp indices for incandescent and compact fluorescent lamps (CFLs) declined for the second consecutive quarter, falling 14.0 and 7.5 percent, respectively, compared to the previous quarter. Moreover, the year-over-year comparison showed a greater weakening in sales of 23.4 and 17.9 percent for incandescent and compact fluorescent lamps, respectively. Despite the decline in sales, the compact fluorescent share of residential lamps reached a new high wherein slightly more than one in four household lamps (25.3 percent) is a CFL.

http://www.nema.org/media/pr/20081110a.cfm