a@AƏ


 
1978
1996
y؊֌W
5.7%
5.1%
7.5%
9.6%
΂߁E
1.9%
7.3%
ēIE
20.8%
20.8%
_
49.1%
32.0%
݊w
9.4%
19.1%
E
5.7%
4.5%
s  
1.7%

 

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