| 観測年 | 黒点数 |
|---|---|
| 1725 | 66.7 |
| 1724 | 35.0 |
| 1723 | 18.3 |
| 1722 | 36.7 |
| 1721 | 43.3 |
| 1720 | 46.7 |
| 1719 | 65.0 |
| 1718 | 100.0 |
| 1717 | 105.0 |
| 1716 | 78.3 |
| 1715 | 45.0 |
| 1714 | 18.3 |
| 1713 | 3.3 |
| 1712 | 0.0 |
| 1711 | 0.0 |
| 1710 | 5.0 |
| 1709 | 13.3 |
| 1708 | 16.7 |
| 1707 | 33.3 |
| 1706 | 48.3 |
| 1705 | 96.7 |
| 1704 | 60.0 |
| 1703 | 38.3 |
| 1702 | 26.7 |
| 1701 | 18.3 |
| 1700 | 8.3 |