The producer price index (PPI) surged 33.7% year-on-year in May, following a 31.8% rise in the previous month, the Tallinn-based agency said in a report.

On a monthly basis, producer prices gained 3.1%.

Data also showed that import prices climbed 2.5% monthly and 30.1% yearly in May.

Export prices also rose 3.3% monthly in May and increased 27.7% from a year ago.