Case StudyYearLanguageLikes
2006
German
1
2005
German
7
2005
German
2
2005
German
3
2005
German
2
2005
German
13
2005
German
3
2005
German
0
2005
German
1
2005
German
1
2005
German
0
2005
German
1
2005
German
5
2005
German
1
2005
German
1
2005
German
12
2005
German
0
2005
German
4
2005
German
2
2005
German
3
2005
German
2
2005
German
1
2005
German
1
2005
German
2
2005
German
0
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