CBI had put the inflation rate for the preceding month of Azar that ended on December 21 at 10%.
The overall CPI (using the Iranian year to March 2017 as the base year) stood at 112.4 in Dey, indicating a 0.4% increase compared with the previous month.
The index registered a year-on-year increase of 9.7% compared with the similar month of last year. The CBI report came after the Statistical Center of Iran put Dey inflation at 8.2%, according to Financial Tribune.