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Table 9.
Slopes of the best-fit lines for yearly differences between the MgII index and the number of active regions (ARs) with the correlated sunspot number, start year, end year, and relative increase over the whole time extent as a percentage.
| Slope | Start start yearyear | End year | Increase% | |
|---|---|---|---|---|
| MgII | 0.034 | 1979 | 2021 | 0.93 |
| AR | 484.372 | 1977 | 2016 | 24.67 |
Notes. All slope values are multiplied by 1000.
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