"We saw a similar result at the end of the previous financial year which was subsequently revised the following month."
Meanwhile, Hudson said the sales and jobs data for March pointed to the "remarkable" resilience of the small business community in the face of rising Omicron cases.
Sales activity was 3.7 per cent higher than the same month a year ago, after four months of double-digit increases. Job growth also eased over the month, falling from 4.1 per cent in February to 2.7 per cent.
"It is encouraging to see annual growth has remained positive despite the challenging conditions," he said.
Hospitality and agriculture sectors saw a decline in sales over March, reflecting the ongoing effects of Covid-19 disruptions.
Businesses in the construction, professional services, manufacturing and retail firms reported solid revenue growth of 6.2 per cent, 4.7 per cent, 4.4 per cent and 4.3 per cent respectively.
Hudson said it was important to see employees' wages increase by 4 per cent on a year ago, but the cost pressure would put a squeeze on business owner's margins.
However, wages were failing to keep up with the rising cost of living which was 6.9 per cent higher than a year ago.