The weekly inflation, measured by Sensitive Price Indicator (SPI), witnessed a slight decrease of 0.09 percent for combined consumption group during the week ended on December 29, Pakistan Bureau of Statistics (PBS) reported on Friday. The SPI for the week under review in the above-mentioned group, was recorded at 217.20 points as compared to 217.39 points during the past week, according to PBS data. As compared to the corresponding week of last year, the SPI for the combined consumption group in the week under review witnessed an increase of 29.30 percent. The weekly SPI with base year 2015-16 =100 is covering 17 urban centres and 51 essential items for all expenditure groups. The SPI for the lowest consumption group up to Rs 17,732 witnessed 0.07 percent decrease and went down to 225.44 points from last week’s 225.59 points. Meanwhile, the SPI for the consumption groups from Rs 17,732-22,888 and Rs 22,889-29,517 declined by 0.12 percent and 0.03 percent respectively whereas it witnessed slight increase of 0.02 percent for consumption group from Rs 29,518-44,175 and declined of 0.12 percent for consumption group above Rs 44,175.