年份

X₀

X₁

X₂

X₃

X₄

X₅

X₆

X₇

X₈

X₉

X₁₀

X₁₁

X₁₂

2010

751.99

2302.66

23.44

77,275

31,838

13,746

4.3

5.7

21,002.46

285.68

13.54

10.51

5.36

2011

931.00

2347.46

24.50

84,037

36,230

15,644

4.5

8.1

20,205.30

268.28

13.91

10.71

5.51

2012

1092.35

2380.43

25.74

86,969

40,188

17,401

3.9

8.5

21,402.13

298.80

14.61

10.96

5.56

2013

1248.68

2415.15

27.06

92,852

43,851

19,208

4.8

8.8

24,093.28

314.66

15.64

11.43

5.54

2014

1347.79

2425.68

28.77

99,438

47,710

21,192

4.7

8.5

25,834.62

345.08

16.40

11.75

5.31

2015

1536.60

2415.27

30.21

106,009

52,962

23,205

6.4

9.1

26,522.32

362.33

17.02

12.28

5.17

2016

1838.00

2419.70

31.57

116,582

57,692

25,520

7.1

10

26,605.02

394.55

17.82

12.92

6.23

2017

2087.09

2418.33

33.23

126,634

62,596

27,825

6.5

8.1

27,342.32

420.00

18.80

13.46

5.96