Case StudyYearLanguageLikes
2010
German
1
2010
German
2
2010
German
1
2010
German
1
2010
German
2
2010
German
11
2009
German
0
2009
German
0
2009
German
0
2009
German
0
2009
German
0
2009
German
0
2009
German
3
2009
German
0
2009
German
0
2009
German
1
2009
German
0
2009
German
0
2009
German
0
2009
German
3
2009
German
0
2009
German
1
2009
German
0
2009
German
0
2009
German
3
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