| 1871-1880 | 1881-1890 | 1891-1900 | |||
|---|---|---|---|---|---|
| Nov | 187 | Oct | 580 | Oct | 835 |
| Dec | 171 | Nov | 531 | Nov | 753 |
| Oct | 169 | Dec | 507 | Sep | 730 |
| Aug | 164 | Sep | 506 | Dec | 709 |
| Sep | 151 | Jul | 433 | Jun | 690 |
| Jul | 145 | Jun | 409 | Jan | 656 |
| Apr | 143 | May | 393 | Aug | 590 |
| Feb | 136 | Apr | 390 | May | 580 |
| Jun | 131 | Aug | 384 | Jul | 577 |
| May | 130 | Jan | 359 | Apr | 551 |
| Jan | 127 | Feb | 343 | Feb | 535 |
| Mar | 124 | Mar | 335 | Mar | 517 |