Over the past three years, the number of registered e-Filing users increased from 500 000 at the end of 2006, to over 6 million users at the end of 2010 - a twelvefold increase. Usage of this channel has increased substantially, with the number of electronic returns submitted increasing from approximately 1.5 million per annum in 2006 to approximately 10.8 million at March 2010 - resulting in an increase of 720% across Income Tax, VAT, PAYE, SDL and UIF tax products.