Shakespeare wrote 37 plays (38 if you count The Two Noble Kinsmen).
Ten of Shakespeare's plays are categorized as histories.
Shakespeare wrote an average of 1.5 plays each year.
Is this a question? William Shakespeare did write his plays.
Do you mean "places"? Or plays?
37
61 million
It was his job, or one of his jobs. Shakespeare was paid to write plays.
38
38
William Shakespeare wrote 38 plays. They are divided into comedies, histories and tragedies. See the related question for a full list of his plays.
None. He died in 1616.
Shakespeare wrote Shakespeare's plays. Other theories may be entertaining but have no evidence to support them.