| getPriceIndex(FISADate) | This method returns the price index for the given Date. | 
| getPriceIndex(FISADate, Int32) | This method returns the price index for the given month offset from the given date. | 
| getPriceIndex(Int32, Int32) | This method returns the price index for the given year and month. | 
| getPriceIndex(Int32, Int32, Int32) | This method returns the price index for the given month offset from year and month. |