($BC10L(B:%)
1981$B!](B93
$BG/EY(B1996$B!](B2010$BG/EY(B2011$B!](B20
$BG/EY(B
96$B!](B20002001$B!](B0506$B!](B2010
$B@x:_@.D9NO(B 3.2 3.0 3.1 3.0 2.9 2.6
$B%9%H%C%/MW0x(B 1.4 1.4 1.4 1.5 1.5 1.3
$BL1(B $B4V(B 1.3 1.3 1.2 1.3 1.3 1.2
$B8x(B $BE*(B 0.1 0.1 0.2 0.2 0.1 0.1
$BO+F/NOMW0x(B 0.3 $B"%(B$B$5$s$+$/(B0.1 0.2 $B"%(B$B$5$s$+$/(B0.1 $B"%(B$B$5$s$+$/(B0.3 $B"%(B$B$5$s$+$/(B0.4
$B5;=Q?JJbMW0x(B 1.5 1.6 1.5 1.6 1.6 1.7