Denomination 2009 2011 2013 2015 2017 2019 2021 2023
Computer 99.7 99.3 100.0 99.6 100.0 99.4 100.0 99.6
Internet 98.9 98.3 99.6 99.6 99.4 99.2 100.0 100.0
E-mail 98.1 98.1 98.3 98.6 99.2 99.2 99.8 100.0
Website .. 58.0 80.9 84.3 87.9 89.0 100.0 100.0
Intranet 17.3 16.7 21.8 27.5 28.1 29.9 30.2 30.0
Social media .. .. .. 36.5 42.8 50.6 71.9 78.6

Footnotes

*The survey is biannual.

Explanation of symbols

..
Datum not available.
green number
Revised datum.
.