年份

Y

X1

X2

X3

X4

X5

X6

X7

X8

X9

2001

13.38

32.0

10.1

110863.1

3968

0.98

138.1835

30.0

2170

3455.1

2002

12.86

31.9

10.4

121717.4

4270

0.90

158.7939

29.2

2250

3488.2

2003

12.41

31.4

10.7

137422.0

4555

1.05

182.5262

25.5

2359

3655.4

2004

12.29

30.3

10.7

161840.2

5071

1.28

209.9151

21.5

2778

4383.8

2005

12.4

28.1

10.7

187318.9

5688

1.37

236.3647

19.0

3168

5408.5

2006

12.09

27.3

11.0

219438.5

6319

1.46

253.0854

17.2

3367

6458.9

2007

12.10

26.8

11.1

270092.3

7454

1.59

282.0971

15.3

3864

7775.3

2008

12.14

26.0

11.3

319244.6

8505

1.71

297.0601

14.9

3800

9254.1