Denomination 2009 2011 2013 2015 2017 2019
Computer 99.7 99.3 100.0 99.6 100.0 99.4
Internet 98.9 98.3 99.6 99.6 99.4 99.2
E-mail 98.1 98.1 98.3 98.6 99.2 99.2
Website .. 58.0 80.9 84.3 87.9 89.0
Intranet 17.3 16.7 21.8 27.5 27.9 29.9
Social media .. .. .. 36.5 43.0 50.6

Footnotes

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The survey is biannual.
.