1904      1905      1906      1907      1908      1909      1910

1    15.0      17.0      14.7      15.7      16.2      16.2      15.0

2    16.1      13.1      14.5      13.9      14.9      15.3      14.9

3    16.3      16.0      16.1      16.6      16.3      16.7      17.3

4    21.8      18.9      21.5      19.7      20.0      20.5      19.6

5    23.5      24.4      25.1      23.0      23.3      22.4      23.8

6    25.8      26.6      28.1      25.7      26.2      27.7      27.6

7    26.6      28.0      28.2      27.2      28.4      28.8      28.7

8    26.9      27.9      28.5      28.2      27.0      28.7      27.9

9    26.2      26.6      27.7      26.4      26.8      27.1      26.3

10   23.4      23.3      22.4      25.0      24.4      24.5      21.9

11   18.8      19.0      18.6      21.1      19.9      20.2      19.7

12   14.8      18.1      16.6      16.1      18.3      16.4      15.9

均   21.3      21.6      21.8      21.6      21.8      22.0      21.5