It varies between the years - on an approximate 11 year cycle.
It will range from almost zero to 250 sunspots per year.
See related link for the numbers counted since 1750.
As strange as it is to think of a body as hot as the sun having such a thing as a "cool" spot, it actually does! These areas are known as sunspots. Their number changes from year to year and they appear darker in color when studied by astronomers.
Sunspot 'cycles' are at approximately 11-year intervals.
Not reliable sources
A large number of sunspots indicates a high solar activity, which occurs on an 11-year cycle. Electronic communications can seriously be disrupted during this time.
11 years.
About 50. See related link.
As strange as it is to think of a body as hot as the sun having such a thing as a "cool" spot, it actually does! These areas are known as sunspots. Their number changes from year to year and they appear darker in color when studied by astronomers.
sunspots has been telling scientist about th season change and that they have a 11 year pattern
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It depends on the year because there is an influx in sunspots every 10-12 years.
Sunspots - and the Gregorian calendar.
sunspots
Sunspots are most common during a sunspot (solar magnetic) maximum, this occurs periodically, on an 11 year cycle.