OECD
OECD Digital Economy Outlook: Telecommunication revenue as a percentage of GDP 2015
http://www.oecd.org/sti/deo-tables-2015.htm
At URL provided, select 'Table 2.22. Telecommunication revenue as a percentage of GDP '.
File as imported: OECD Digital Economy Outlook: Telecommunication revenue as a percentage of GDP 2015
From the dataset OECD Digital Economy Outlook: Telecommunication revenue as a percentage of GDP 2015, this data was extracted:
B8:U42
This data forms the table International Comparisons - Telecommunication revenue as a percentage of GDP 1985–2013.