There are no specific number for amount of shoes that Nike sold last year, but on average Nike sells anywhere from 65 million to 120 million shoes each year.
1 Additional Answer
Nike made over 9.9 billion in shoe sales for the previous year. However, Nike has no dedicated statistics on the amount of shoes they sold, per year. At any rate, it is safe to assume they sold a lot! You can find more information here: media.corporate-ir.net