年份

ti

EA(ti) (%)

SEU(ti) (%)

ρ(ti)

mi

ηi

EAi(n + 1) (%)

EAi(n + 2) (%)

Er(%)

2005

1

92.53

4.25

0.03480

2006

2

96.32

3.58

0.00104

2007

3

96.67

2.52

0.00838

1.702162

0.018557

2008

4

79.88

20.02

0.00125

1.885773

0.019739

79.84

−0.05

2009

5

96.32

3.66

0.00021

2.498290

0.026194

96.25

96.22

−0.10

2010

6

96.15

3.81

0.00042

2.392614

0.024663

96.16

96.13

−0.02

2011

7

97.46

2.36

0.00181

1.864378

0.017350

97.61

97.62

0.16

2012

8

99.32

0.68

0.00000

3.145257

0.045420

99.28

99.30

−0.04