Confidence in the Turkish economy rose on a monthly basis to hit a 21-month high in January, Turkey’s statistical authority announced on Wednesday.

The economic confidence index went up 0.6% compared with the last month — to 97.1 in January from 96.5 points in December, the Turkish Statistical Institute (TurkStat) said in a report.

The rise in economic confidence index was driven by three sub-readings of the data, namely construction, services, retail trade and consumer confidence indices.

The construction confidence index was the best performer in the month surging 14.6%. The services and retail trade confidence indexes both were

Read more: Turkey: Economic confidence index goes up in January