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Last modified:2008/9/23
2$B!!%b!<%@%k%7%U%H?d?J$KBP$9$k9T@/$N;Q@*$NNr;K(B
$BG/EY(B
%
$BG/EY(B
%
$BG/EY(B
%
1985
34.7
1990
36.5
1995
39.8
1986
37.1
1991
39.4
1996
43.4
1987
38.7
1992
39.4
1997
41.8
1988
33.4
1993
39.1
1998
42.9
1989
34.5
1994
39.9
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