Employment in Connecticut small businesses with less than 20 employees increased by 0.06 percent in May, according to Intuit’s May Small Business Indexes. That’s about one-third of the employment rise nationwide, which was 0.17 percent, according to the report. The report also shows that the average monthly pay of hourly employees rose in May by $17, or 0.6 percent, over the previous month. They were compensated the equivalent of $2,804, according to the report. But small-business employees also worked more hours in May, up 0.8 percent, or about 48 minutes, for an average annual equivalent of 112.3 hours.