Number of fixed telephone lines globally
This chart shows the numbers of fixed telephone lines from 1997 to 2007.
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Fixed telephone lines per 100 inhabitants 1997-2007 ITU."
http://en.wikipedia.org/wiki/File:Fixed_telephone_lines_per_100_inhabitants_1997-2007_ITU.png
Wikipedia
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