Internet usage for information on events in Germany 2013-2015, by frequency

Information on base:
German-speaking population age 14 and over in private households, at main residence in the Federal Republic of Germany.

Information on random sample:
2013: 8,702 respondents, projected to a population of 70.33 millions
2014: 8,156 respondents, projected to a population of 70.52 millions
2015: 7,009 respondents, projected to a population of 69.24 millions
Information on target group "German-speaking internet users":
2013: projected to 52.92 million persons
2014: projected to 53.54 million persons
2015: projected to 54.16 million persons

This question was phrased by the source as follows: "As you know, there are many different services offered on the internet. You can find a selection on these cards. How often do you use these offers? Please organize the cards on this sheet accordingly: event information."
(Original German question: "Es gibt ja ganz verschiedene Angebote im Internet. Hier auf diesen Karten steht eine Auswahl. Wie oft nutzen Sie diese Angebote? Bitte verteilen Sie die Karten entsprechend auf das Bildblatt hier, Sie sehen ja, was da steht: Veranstaltungshinweise.")