本书历史概略（2 / 2）

21.6

22.8

23.10

24.15300

25.1848

26.7811840

27.138188

28.200300

29.300600

30.305350

31.400

32.410

33.500

34.550

35.580

36.600

37.600700

38.7001000

39.10001100

40.10001500.

41.1500