1
2
3
4
5
6
7
8
Top 15 0 500 1,000 1,500 2,000 2,500 805 7.6% 528 5.0% 512 4.8% 475 4.5% 423 4.0% 323 3.0% 322 3.0% 311 2.9% 309 2.9% 290 2.7% 238 2.2% 238 2.2% 232 2.2% 1,444 13.6% 2,116 20.0% N=10,593 Facebook 29.9% 27.6% 11.0% 14.6% 17.0% N=11,431 9
10
900 600 300 0 11
12
13
14
15
16
17
18
4.3% 30.4% 8.7% 85 56.5% 0 25 50 75 17.4 17.4 43.5 56.5 56.5 65.2 8.7% 15 17.4% 26.1% 50 30.4% 30 17.4% 0% 20% 40% 60% 80% 100% 69.6% 30.4% 19
20
21
22
23
24
25
26
ュ 27
28
29
30
0% 20% 40% 60% 80% 100% 39.1% 69.6% 65.2% 56.5% 56.5% 52.2% 82.6% 26.1% 52.2% 21.7% 39.1% 43.5% 26.1% 13.0% 4.3% 8.7% 4.3% 17.4% 8.7% 4.3% 4.3% 4.3% 82.6 95.6 82.6 95.7 65.2 86.9 56.595.6 56.5 82.6 52.2 95.7 39.1 91.3 31
32
33
34
35
36
37
38
535 1 1 535 8 1 2 16 500 500 500 39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
2 4 4 4 ー 4 4 4 4 4 57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76