Questionnaire about mobile phones
40
17
18
21
13
16
16
16
15
14
15
25
21
16
16
15
20
15
27
21
18
18
22
24
21
20
21
21
22
10
22
21
22
21
22
21
19
20
17
21
22
17
22
20
17
miligan
18
17
16
23
26
22
i am in my mom's stomach.
5025
89
22
17
17
17
39
19
19
16
20
20
17
17
49 years.
20
20
23
15
21
22
21
16
20
19
20
2
16
22
16
20
16
24
11
18
18
38
15
16
22
25
16
15
25
38
23
19