To ask the Secretary of State for Environment, Food and Rural Affairs how many (a) GLS bulbs, (b) fluorescent tubes, (c) halogen bulbs, (d) low energy bulbs and (e) other lighting bulbs were (i) purchased, (ii) disposed of, by (A) landfill, (B) incineration and (C) other means, (iii) recycled and (iv) reused, broken down by households and businesses in the last year for which figures are available. 
The Lighting Industry Federation, which accounts for the majority of lighting manufacturers in the UK, estimates the figures for its members are as follows.
Lamp sales 2002 (million)
Percentage business use (approx)
Disposal in 2002 (per cent.)
|Filament lamps (GLS)||323||40||100||0||0|
|Low energy lamps (CFL)||24||45||97.5||0||2.5|
|High intensity discharge||5.5||100||82.5||0||17.5|