Fixed telephone access paths: analogue + ISDN lines.
OECD
OECD Digital Economy Outlook: Fixed telephone access paths in the OECD area 2015
http://www.oecd.org/sti/deo-tables-2015.htm
At URL provided, select 'Table 2.8. Fixed telephone access paths in the OECD area'
File as imported: OECD Digital Economy Outlook: Fixed telephone access paths in the OECD area 2015
From the dataset OECD Digital Economy Outlook: Fixed telephone access paths in the OECD area 2015, this data was extracted:
B8:S45
This data forms the table International Comparisons - Fixed telephone access paths in OECD countries 1996–2013.