Case StudyYearLanguageLikes
2002
English
0
2002
German
1
2002
English
0
2002
English
0
2002
English
0
2002
German
3
2002
German
0
2002
German
1
2002
English
0
2002
German
4
2002
German
3
2002
English
1
2001
German
3
2001
German
1
2001
English
1
2001
English
0
2001
German
0
2001
English
0
2001
German
2
2001
German
6
2001
German
0
2001
German
1
2001
German
1
2001
English
1
2001
German
0
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