1897      1898      1899      1900      1901      1902      1903

1    16.8      15.6      14.9      14.6      17.1      16.1      14.1

2    13.1      16.2      14.9      14.1      10.2      13.6      13.7

3    17.3      18.4      16.6      16.0      16.9      18.9      18.1

4    18.8      19.8      20.3      21.8      22.0      21.9      21.1

5    24.7      25.5      23.6      24.6      24.0      24.9      23.3

6    26.7      26.2      25.6      25.9      26.1      26.3      25.9

7    27.9      27.7      28.6      28.0      27.6      27.9      27.4

8    27.4      27.3      27.6      28.2      27.6      27.8      27.2

9    26.9      26.0      25.2      25.5      24.6      24.6      26.0

10   23.8      22.9      21.6      23.5      22.7      22.3      23.2

11   20.6      20.5      18.8      19.9      18.9      21.1      18.4

12   16.5      15.5      18.8      17.1      15.8      17.2      15.8

均   21.7      21.8      21.4      21.1      21.6      21.9      21.2