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Fig. 6.


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Sunspot number (SN) delivered by the SIDC. Grey dots: daily SN; blue dots: smoothed monthly SN. The coloured rectangles on the top correspond to the different activity phases of the Sun considered: MIN1 and MIN2 for the two minimum activity phases; TRN1 and TRN2 for the two transition activity phases; MAX for the maximum activity phase.

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