-60.00%
-40.00%
-20.00%
0.00%
20.00%
40.00%
60.00%
80.00%
100.00%
120.00%
140.00%
2006 2007 2008 2009
[ ]
2009
30
2009
31
2009
32
2009
33
2009
34
2009
35
2009
36
2009
37
2009
38
2009
39
2009
40
2009
41
2009
42
2009
43
2009
44
2009
45
2009
46
2009
47
2009
48
2009
49
2009
50
2009
51
2009
52
2009
53
2009
54
2009
55
2009
56
2009
57
2009
58
2009
59
2009
60
2009
61
2009
62
2009
63
2009
64
2009
65
2009
66
2009
67
2009
68
2009
69
2009
70
2009
71
2009
72
2009
73
2009
74
2009
75
2009
76
2009
77
2009
78
2009
79
2009
80
2009
81
2009
82
2009
83
2009
84
2009
85
2009
86
2009
87
2009
88
2009
89
2009
90
