30
31
2010 8 31
3 6
32
34
33
35
37
60-90% 10-30%
0-10%
0-20%
20-40%
60-80%
A
50% 10%
5% 5% 5% 5%
1
2
38
39
40
41
42
43
44
45
46
47
48
49
P40
50
51
2008
20082009 1
52
JNTO 2008
50 3 1
23
53