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21 6 17 11
RCA
RCA
: 21 6 22 5
46%
14%7%4%
4%
25%
n=682
4
24
: 21 1 6 (n=23)
21
32
01
2
2
2
1
1
1
1 1
1
1
1
0
1
2
3
4
5
6
7
8
1 2 3 4 5 6
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: 21 6 22 5 (n=24)
1
42 2
01 1 1 1 11
11
2
1 111
10123456721
6 7 8 9 10 11 1222
1 2 3 4 5
( )