Small businesses added 20,000 new jobs in December, according to the small business and revenue indexes by Intuit Inc. However, average monthly pay for all small business employees edged down to $2,694 in December from $2,695 in November.

Small business hourly employees worked an average of 107.2 hours in December, down 0.16 percent from 107.4 hours in November, making for a 24.7-hour workweek.

The index is based on aggregate and anonymous online employment data from approximately 200,000 businesses with fewer than 20 employees that use Intuit Payroll.