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Table 1

Comparison of the results obtained with five fit intervals and no-weight method.

Northern Southern

interval Γ Γ

1 yr 0.464 0.470
3 yr 0.316 0.338
3 yr-run 0.325 0.346
5 yr 0.282 0.294
5 yr-run 0.280 0.291

Notes.3 yr = three-year separate interval; 3yr-run = three-year running interval.

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