Property prices for rent in Northern Ireland region

When referring to the price in Northern Ireland(region), there have hardly been any changes in the last 6 months. In the first month sample October the average price is £922. In November the price remains at £922. The average price for the following two months (December, January) rose from £922 to £970.5. During the last two months the average price has not gone through any changes and has gone from £946.25 to £975.5 during February and March.