OECD Broadband Statistics, December 2005
The number of broadband subscriptions throughout the OECD continued to increase during 2005 from 136 million in June 2005 to 158 million by December 2005. Broadband penetration growth in the OECD held steady at 15% in the second half of the year reaching 13.6 subscribers per 100 inhabitants in December.
http://www.oecd.org/sti/ict/broadband