By Yunus Girgin
ISTANBUL (AA) - Turkey's turnover index improved 26.2% in September over the same month a year earlier, the statistical authority announced on Friday.
The index saw the biggest change in the industry and trade sector, both up 30.9% year-on-year in September, the TurkStat figures showed.
The construction index registered a 23.3% annual rise, while the services sector posted an increase of 4.1%.
On a monthly basis, the seasonally and calendar-adjusted total turnover index was up 3.4% in September.
According to TurkStat, turnover is an important short-term indicator used to assess the country's economic situation.
Turnover indices are composed of sales of goods and services invoiced by enterprises in the reference month over a certain period to monitor developments on a quarterly and yearly basis.
All enterprises that declare their value-added tax to the country's revenue administration are included in the turnover index calculation.