Case StudyYearLanguageLikes
2009
German
1
2009
German
0
2009
German
0
2009
German
3
2009
German
0
2009
German
0
2009
German
1
2009
English
0
2009
German
3
2009
German
7
2009
German
0
2009
English
4
2009
German
4
2009
German
0
2009
German
8
2009
English
0
2009
English
1
2009
German
0
2008
German
2
2008
German
2
2008
German
0
2008
German
0
2008
German
0
2008
German
0
2008
German
0
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